bicycle-forum.net
Promoting biking discussion.


Main
Date: 23 Sep 2004 18:43:08
From: Patrick W.
Subject: Thoughts on 28-hole rear hub for 155 lb rider?
In the hands of a very competent wheel builder, would a 28-hole rear hub be
a stretch for a rider like me? I'm non-competetive, ride maybe 100-140 miles
per week. This would be for a road bike, BTW, and the lacing would be a bit
"fancy" = 1x on the left, 2x on the right. Without starting a debat on that
configuration, anyone have thoughts on 28 vs 32 holes?




 
Date: 23 Sep 2004 15:02:17
From: Alex Rodriguez
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
In article <0PE4d.568$JG2.387@newssvr14.news.prodigy.com >,
mangos56@nospam-hotmail.com says...
>
>
>In the hands of a very competent wheel builder, would a 28-hole rear hub be
>a stretch for a rider like me? I'm non-competetive, ride maybe 100-140 miles
>per week. This would be for a road bike, BTW, and the lacing would be a bit
>"fancy" = 1x on the left, 2x on the right. Without starting a debat on that
>configuration, anyone have thoughts on 28 vs 32 holes?

If built well, not a problem. If these were my wheels, I would just do
2X on both sides.
-------------
Alex



  
Date: 24 Sep 2004 05:32:27
From: Weisse Luft
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?

It all depends on the rim and spokes. The fewer the spoke count, the
stiffer the rim needs to be and the spokes need to be MORE elastic.


--
Weisse Luft



 
Date: 23 Sep 2004 12:49:01
From: Benjamin Lewis
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
Patrick W. wrote:

> In the hands of a very competent wheel builder, would a 28-hole rear hub
> be a stretch for a rider like me? I'm non-competetive, ride maybe 100-140
> miles per week. This would be for a road bike, BTW, and the lacing would
> be a bit "fancy" = 1x on the left, 2x on the right. Without starting a
> debat on that configuration, anyone have thoughts on 28 vs 32 holes?

It probably won't cause a problem, but why? What do you hope to achieve by
using fewer than 36 spokes?

--
Benjamin Lewis

"Love is a snowmobile racing across the tundra and then suddenly it flips
over, pinning you underneath. At night, the ice weasels come."
--Matt Groening


  
Date: 24 Sep 2004 13:08:36
From: Alex Rodriguez
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
In article <yy7oacvgahqq.fsf@marge.cs.sfu.ca >, bclewis@cs.sfu.ca says...

>It probably won't cause a problem, but why? What do you hope to achieve by
>using fewer than 36 spokes?

less weight and less aero drag.
-------------
Alex



   
Date: 25 Sep 2004 13:28:21
From: Qui si parla Campagnolo
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
adr says after bc leweis says-<< It probably won't cause a problem, but why?
What do you hope to achieve by
>using fewer than 36 spokes?

less weight and less aero drag. >><BR><BR>


Humor on Saturday-thank you!!!

Peter Chisholm
Vecchio's Bicicletteria
1833 Pearl St.
Boulder, CO, 80302
(303)440-3535
http://www.vecchios.com
"Ruote convenzionali costruite eccezionalmente bene"


  
Date: 29 Sep 2004 05:15:37
From: Nigel Grinter
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
Benjamin Lewis <bclewis@cs.sfu.ca > wrote in message news:<yy7oacvgahqq.fsf@marge.cs.sfu.ca>...
> Patrick W. wrote:
>
> > In the hands of a very competent wheel builder, would a 28-hole rear hub
> > be a stretch for a rider like me? I'm non-competetive, ride maybe 100-140
> > miles per week. This would be for a road bike, BTW, and the lacing would
> > be a bit "fancy" = 1x on the left, 2x on the right. Without starting a
> > debat on that configuration, anyone have thoughts on 28 vs 32 holes?
>
> It probably won't cause a problem, but why? What do you hope to achieve by
> using fewer than 36 spokes?

Patrick, where are you? Is your question prompted by the fact that
you have been offered or have bought rims and/or hubs in a 28-hole
drilling at a good price? If so, fair enough. If not, what is behind
your question? For your intended use, wouldn't a wheel that in all
probability won't fail or be high maintenance(32 or 36 spoke) be
preferable to a wheel with 28 spokes that you may get away with?


Best wishes,

Nigel Grinter


   
Date: 06 Oct 2004 21:15:59
From: Robert
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?


Nigel Grinter wrote:
---8<----
> Patrick, where are you? Is your question prompted by the fact that
> you have been offered or have bought rims and/or hubs in a 28-hole
> drilling at a good price? If so, fair enough. If not, what is behind
> your question? For your intended use, wouldn't a wheel that in all
> probability won't fail or be high maintenance(32 or 36 spoke) be
> preferable to a wheel with 28 spokes that you may get away with?

Nah. He just trolled us to see if we'd bite, and guess what?

/Robert "biter" Brown



 
Date: 23 Sep 2004 13:42:44
From: Tom Nakashima
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?

"Patrick W." <mangos56@nospam-hotmail.com > wrote in message
news:0PE4d.568$JG2.387@newssvr14.news.prodigy.com...
> In the hands of a very competent wheel builder, would a 28-hole rear hub
be
> a stretch for a rider like me? I'm non-competetive, ride maybe 100-140
miles
> per week. This would be for a road bike, BTW, and the lacing would be a
bit
> "fancy" = 1x on the left, 2x on the right. Without starting a debat on
that
> configuration, anyone have thoughts on 28 vs 32 holes?
>
Actually I just posted about my single-speed, and on that bike I have a 28h
rear/front Campagnolo low flange track hubs mated to Mavic open 4-cd's. I
do have to constantly tune the rear. I weight 142-145 lbs, at 5'8". If I
had to do it all over again, I would build the rear as a 32h.
-tom




 
Date: 24 Sep 2004 07:09:55
From: daveornee
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?

Patrick W. Wrote:
> In the hands of a very competent wheel builder, would a 28-hole rear hub
> be
> a stretch for a rider like me? I'm non-competetive, ride maybe 100-140
> miles
> per week. This would be for a road bike, BTW, and the lacing would be a
> bit
> "fancy" = 1x on the left, 2x on the right. Without starting a debat on
> that
> configuration, anyone have thoughts on 28 vs 32 holes?

If I had a choice I wouldn't go below 32 spokes for the rear and I
would choose a rim like Velocity Aerohead with Off Center Spoke Bed.
You don't mention why you want to do this, or what you feel like you
could gain.
If you compare what you are thinking of doing to many of the "factory
botique wheels" you will see many of them with fewer than 28 spokes.
You could certainly ride a well built 28 spoke rear wheel for thousands
of mile without incident.


--
daveornee



 
Date: 23 Sep 2004 18:33:53
From: John Forrest Tomlinson
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
On Thu, 23 Sep 2004 18:43:08 GMT, "Patrick W."
<mangos56@nospam-hotmail.com > wrote:

>In the hands of a very competent wheel builder, would a 28-hole rear hub be
>a stretch for a rider like me? I'm non-competetive, ride maybe 100-140 miles
>per week. This would be for a road bike, BTW, and the lacing would be a bit
>"fancy" = 1x on the left, 2x on the right. Without starting a debat on that
>configuration, anyone have thoughts on 28 vs 32 holes?

I'm your weight and I race on wheels like that on all roads -- mainly
ones I built myself -- and they're OK, but need more care than similar
wheels with 32. Perhaps if a really good builder made them I'd be
better off.

Still, there isn't a big difference between 28 and 32, so unless tiny
improvements in performance are important to you I don't think there
is any use for that.

JT



****************************
Remove "remove" to reply
Visit http://www.jt10000.com
****************************


 
Date: 23 Sep 2004 22:47:17
From: Tim McNamara
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
"Patrick W." <mangos56@nospam-hotmail.com > writes:

> In the hands of a very competent wheel builder, would a 28-hole rear
> hub be a stretch for a rider like me? I'm non-competetive, ride
> maybe 100-140 miles per week. This would be for a road bike, BTW,
> and the lacing would be a bit "fancy" = 1x on the left, 2x on the
> right. Without starting a debat on that configuration, anyone have
> thoughts on 28 vs 32 holes?

Think about your longest normal ride, and how you'd get home if a
spoke broke and your bike was unrideable. The lower the spoke count,
the higher the tension has to be on each spoke, and the more the
wheel goes out of true if one breaks. With the usual close-tolerance
frames people ride nowadays, a broken spoke means the ride is done.

Personally I see nothing to recommend the 28 over the 32. The weight
difference is irrelevant, as is the aerodynamic issue. It's just more
likely to be problematic at some inopportune time. That said, at your
weight the risks are lower than would be the case for me at 215 lbs
and being prone to riding wherever the whim takes me.


  
Date: 27 Sep 2004 10:06:08
From: JP
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
Tim McNamara <timmcn@bitstream.net > wrote in message news:<m2fz588h16.fsf@Stella-Blue.local>...
> "Patrick W." <mangos56@nospam-hotmail.com> writes:
>
> > In the hands of a very competent wheel builder, would a 28-hole rear
> > hub be a stretch for a rider like me? I'm non-competetive, ride
> > maybe 100-140 miles per week. This would be for a road bike, BTW,
> > and the lacing would be a bit "fancy" = 1x on the left, 2x on the
> > right. Without starting a debat on that configuration, anyone have
> > thoughts on 28 vs 32 holes?
>
> Think about your longest normal ride, and how you'd get home if a
> spoke broke and your bike was unrideable. The lower the spoke count,
> the higher the tension has to be on each spoke, and the more the
> wheel goes out of true if one breaks. With the usual close-tolerance
> frames people ride nowadays, a broken spoke means the ride is done.

Carry a spoke wrench, they're small enough to not be a problem to pack
with flat repair stuff. You can almost always make it ridable enough
to finish. Loosen the spokes either side of the one that broke.

JP


 
Date: 24 Sep 2004 13:03:15
From: Qui si parla Campagnolo
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
mangoes-<< In the hands of a very competent wheel builder, would a 28-hole rear
hub be
a stretch for a rider like me? I'm non-competetive, ride maybe 100-140 miles
per week. This would be for a road bike, BTW, >><BR><BR>

If the rim is not light and you use 3 cross lacing, it 'may' be oK. 1cross
'kickstand side' is silly, does nothing. Use a beefy rim, like a Velocity
Fusion, 14/15 spokes, laced as I said, brass nipps.

All else being equal, like hub, rim and spokes, more spokes mean stronger
wheel, period...

Peter Chisholm
Vecchio's Bicicletteria
1833 Pearl St.
Boulder, CO, 80302
(303)440-3535
http://www.vecchios.com
"Ruote convenzionali costruite eccezionalmente bene"


  
Date: 24 Sep 2004 16:45:39
From: Chalo
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
vecchio51@aol.com (Qui si parla Campagnolo ) wrote:
>
> 1cross 'kickstand side' is silly, does nothing.

It doesn't really hurt anything either.

What "silly" patterns like that do, sometimes, is allow the use of a
hub and rim you've already got, with spokes you've already got. It's
a consideration for those of us who don't keep dozens of different
spoke lengths on hand.

> All else being equal, like hub, rim and spokes, more spokes mean stronger
> wheel, period...

Keep adding spokes above 36 and it's no longer that simple.
Lightweight rims don't allow enough tension to be applied to 48 spokes
for the additional spokes to be of much benefit. To support proper
tension with lots of spokes, you need a decently large rim
cross-section.

36 spoke wheels seem to offer a good combination of rim stability and
acceptable spoke tension when used with a very lightweight rim. 48
spoke wheels require heavier rims to support their total spoke
tension, and low spoke count wheels require heavier rims to support
their unspoked spans. 36 appears to be a pretty good number of spokes
for both very light and very heavy rims.

In my experience, there is a balance to strike between rim
cross-section and total spoke cross-section. I use a 36 hole wheel
with 14/15ga. spokes and a 450g to 550g rim as a benchmark, because
the combination is so well proven. That's 92 square mm of spoke
(center) cross-sectional area, and between 87 and 106 square mm of rim
cross-section. I think the resulting ratio of approximately 1:1 is a
useful one for estimating optimal wheel structure as a function of
spoke strain. That means for the benchmark ~500g rim, forty-eight
15/16ga. spokes (or fifty-two 15/17ga. spokes, or thirty-two plain
14ga. spokes) are roughly equivalent to thirty-six 14/15ga. ones, if
you tension them according to what the rim will accept.

It's somewhat better to use too much rim than too many spokes, since
spokes can tolerate more than ideal tension, while rims fail at
slightly higher than ideal compression.

Chalo Colina


   
Date: 25 Sep 2004 13:35:18
From: Qui si parla Campagnolo
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
chump-<< It doesn't really hurt anything either. >><BR><BR>

It is less strong than 2 or 3 cross so I'd say it does 'hurt' something.

Chump<< What "silly" patterns like that do, sometimes, is allow the use of a
hub and rim you've already got, with spokes you've already got. It's
a consideration for those of us who don't keep dozens of different
spoke lengths on hand. >><BR><BR>

I'd say to build a wheel poorly because that's 'all you have on hand' is asking
for troubles. Spokes are cheap, buy the correct length. At $.45 per in some
places, $12.60...for a better wheel, 'good trade'.

chump-
<< Keep adding spokes above 36 and it's no longer that simple. >><BR><BR>

Yer right, a rear 96 hole wheel would be unnessary. Why not compare what is
available. 28/32/36. Hyperbole is silly as well.



Peter Chisholm
Vecchio's Bicicletteria
1833 Pearl St.
Boulder, CO, 80302
(303)440-3535
http://www.vecchios.com
"Ruote convenzionali costruite eccezionalmente bene"


    
Date: 26 Sep 2004 19:52:09
From: Chalo
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
vecchio51@aol.com (Qui si parla Campagnolo ) wrote:
>
> Chalo wrote:
[re: cross-1 non-drive side lacing]
> >
> > It doesn't really hurt anything either.
>
> It is less strong than 2 or 3 cross so I'd say it does 'hurt' something.

On the non-drive side? No it doesn't. Those suckers are under half
as much tension as drive side spokes; it's only for reasons of
stiffness that it's even important to have as many on the left of a
rear wheel as on the right. You have no basis for saying that cross-1
is less strong than cross-3 in that application, but even if you did,
they need only be half as strong as they are anyway. I've not built
nearly as many wheels as you have, but I've probably built as many
unconventionally laced wheels as you have, and I've never had a lick
of trouble out of non-drive side spokes, be they radially laced,
14/17ga., or whatever.

> > What "silly" patterns like that do, sometimes, is allow the use of a
> > hub and rim you've already got, with spokes you've already got. It's
> > a consideration for those of us who don't keep dozens of different
> > spoke lengths on hand.
>
> I'd say to build a wheel poorly because that's 'all you have on hand' is asking
> for troubles. Spokes are cheap, buy the correct length. At $.45 per in some
> places, $12.60...for a better wheel, 'good trade'.

It's not worth even six bucks to have cross-3 instead of cross-1 on
the non-drive side. With 8/9/10 speed spacing in a carefully built
wheel, those spokes will just never break. Now for drive side spokes,
I'd definitely make the trip and incur whatever expense to get the
right length for cross-3, -4, or-5 lacing, and the right gauge for the
job too.

> > Keep adding spokes above 36 and it's no longer that simple.
>
> Yer right, a rear 96 hole wheel would be unnessary. Why not compare what is
> available. 28/32/36. Hyperbole is silly as well.

Hyperbole? 90+ percent of my wheels have 48 spokes, and some of the
rest have 40. I have built 72 spoke wheels and bought some built
elsewhere as well. There are plenty of rims that are too light to
support good tension on 48 spokes, especially 14ga. spokes.

The fashion may run to 16-spoke wheels and your tastes to 36, but here
are lots of other alternatives. Having one spoke count for everybody
is like using one crank length for everybody, or one frame tubing
gauge for everybody. It's not always a good idea.

Chalo Colina


     
Date: 27 Sep 2004 13:00:15
From: Qui si parla Campagnolo
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
chump-<< On the non-drive side? No it doesn't. >><BR><BR>

no it doesn't
yes it does
no it doesn't
yes it does....

If ya like 1 cross on left side, do it. I think it is dum and doesn't do a
thing for the wheel's performance.

Chump-<< I've not built
nearly as many wheels as you have, but I've probably built as many
unconventionally laced wheels as you have, and I've never had a lick
of trouble out of non-drive side spokes, >><BR><BR>

I'll bet you have built more goofy laced wheels than I have since I don't try
every thing that comes along 'just to see'. Why on my signature it says
'conventional wheels built exceptionally well',
not 'I'll try anything once or twice to see if it looks cool and I can sell
it'.

chump-<< The fashion may run to 16-spoke wheels and your tastes to 36, but here
are lots of other alternatives. Having one spoke count for everybody
is like using one crank length for everybody, or one frame tubing
gauge for everybody. It's not always a good idea. >><BR><BR>

I do not have one spoke count for everybody. I design each wheelset for each
rider so that it is suited for that rider. Sometimes 28 sometimes 36 but NEVER
1 cross on the left side.

IOn my wheels I use 36/3 cross-I have since 1985 or so, still use those wheels.
C-Record hubs.

Peter Chisholm
Vecchio's Bicicletteria
1833 Pearl St.
Boulder, CO, 80302
(303)440-3535
http://www.vecchios.com
"Ruote convenzionali costruite eccezionalmente bene"


      
Date: 27 Sep 2004 20:33:46
From: John Forrest Tomlinson
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
On 27 Sep 2004 13:00:15 GMT, vecchio51@aol.com (Qui si parla
Campagnolo ) wrote:

> I think it is dum and doesn't do a
>thing for the wheel's performance.

If it doesn't affect a wheels performance, how can it be dumb
(assuming it costs the same, or is even cheaper if one has the spokes
already)?

JT

****************************
Remove "remove" to reply
Visit http://www.jt10000.com
****************************


       
Date: 27 Sep 2004 23:55:54
From: Chalo
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
John Forrest Tomlinson <usenetremove@jt10000.com > wrote:
>
> vecchio51@aol.com (Qui si parla Campagnolo ) wrote:
> >
[re: cross-1 lacing on non-drive side]
> > I think it is dum and doesn't do a
> >thing for the wheel's performance.
>
> If it doesn't affect a wheels performance, how can it be dumb
> (assuming it costs the same, or is even cheaper if one has the spokes
> already)?

A shopkeeper's perspective might be something like this: If you are
willing to do odd lacing, some folks will request it just because you
let them. That means from time to time you'll have to purchase a
whole box of spokes in a size that you might only use for half a wheel
every dozen years. That not only sinks good money into unprofitable
inventory, it also consumes some of the limited space that you have to
pay rent on. Bike shops are low-margin businesses, and small
inefficiencies can have a noticeable effect.

I'm sure that Peter builds wheels exactly the way he believes it is
best to build them-- but if being dogmatic about it makes his business
life a tiny bit less complicated and a tiny bit more profitable, why
should he bother doing "goofy" (in his words) lacings? He's probably
learned by experience or observation that wheels with unfamiliar
lacings, as a category, are more likely to come back with problems
than the vanilla kind. He may not want to go to the expense and
trouble of experimenting with weird patterns just to sort the good
from the bad. It's easier to think of them all as "goofy" and not
mess with them.

Whether or not an unconventional lacing is as strong as a conventional
lacing, or more than strong enough for its intended use, is a puzzle
that a hobbyist like me can afford to speculate on, try out, and even
fail to solve correctly. To me, it's part of the fun, when to Peter
it could be a frustrating waste of time. Thus I've been able to try a
lot of variations, and I've developed some insights about what works
for me and what doesn't.

I wind up buying whole boxes of spokes sometimes for my own projects
now that Val at The Bikesmith and his spoke cutting machine have gone
out of business. Being flexible and aware of different lacing
patterns that will work for the project at hand means that often I can
put some of those partial boxes of spokes to a worthier purpose than
skewering kebabs.

Chalo Colina


        
Date: 28 Sep 2004 13:06:50
From: Qui si parla Campagnolo
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
chumpy- >A shopkeeper's perspective might be something like this: If you are
>willing to do odd lacing, some folks will request it just because you
>let them. That means from time to time you'll have to purchase a
>whole box of spokes in a size that you might only use for half a wheel
>every dozen years.


'Might be' but not accurate...we have spokes from about 256mm thru 306mm,
every 1mm in length. I have the length to lace any way I wish...I wish to lace
2 cross for 28 and 3 cross for 32 and 36, 4 cross for 40+.



Peter Chisholm
Vecchio's Bicicletteria
1833 Pearl St.
Boulder, CO, 80302
(303)440-3535
http://www.vecchios.com
"Ruote convenzionali costruite eccezionalmente bene"


       
Date: 28 Sep 2004 13:03:17
From: Qui si parla Campagnolo
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
JT- >If it doesn't affect a wheels performance, how can it be dumb
>(assuming it costs the same, or is even cheaper if one has the spokes
>already)?

I'm a bike shop, I have the correct spoke length. It does nothing and in my
opinion, makes for a less reliable wheel....if it does nothing and 'may' make
for a less reliable wheel, i don't do it. Pretty simple. As for 'never
have a lick of problem', geee, I don't have a lick of problem with the 2000 or
so wheels I have made over the last 4-5 years either and none of them were
radial or 1 cross on the left side of the rear.


Peter Chisholm
Vecchio's Bicicletteria
1833 Pearl St.
Boulder, CO, 80302
(303)440-3535
http://www.vecchios.com
"Ruote convenzionali costruite eccezionalmente bene"


 
Date: 24 Sep 2004 08:00:39
From: DirtRoadie
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
"Patrick W." <mangos56@nospam-hotmail.com > wrote in message news:<0PE4d.568$JG2.387@newssvr14.news.prodigy.com>...
> In the hands of a very competent wheel builder, would a 28-hole rear hub be
> a stretch for a rider like me? I'm non-competetive, ride maybe 100-140 miles
> per week. This would be for a road bike, BTW, and the lacing would be a bit
> "fancy" = 1x on the left, 2x on the right. Without starting a debat on that
> configuration, anyone have thoughts on 28 vs 32 holes?

I have no disagreement with anything that has been posted but am
simply adding my actual experience as another data point, perhaps as a
counterpoint to those who are primarliy speculating.

I weigh, depending on the time of year a few pounds less than you to
about the same as you. I have never been particularly hard on
equipment. I ride quite a bit and do weekly spirited club rides, but
do not regularly race in organized competition. I have a 28 spoke rear
wheel that I built with DT Revolution spokes which I have have been
using a general purpose rear wheel for a number of years with
virtually no problems. It has occasionally required a quick touch-up
truing but that's about it.

I also have a 32 spoke wheel that I built exactly the same way with
exactly the same components and it has been neither more nor less
reliable. And, in riding, I cannot tell the difference between them.

So I would not expect any significant problems if you decide to do it,
nor for that matter any great benefit.

DR


 
Date: 24 Sep 2004 11:40:18
From: Benjamin Lewis
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
Alex Rodriguez wrote:

> In article <yy7oacvgahqq.fsf@marge.cs.sfu.ca>, bclewis@cs.sfu.ca says...
>
>> It probably won't cause a problem, but why? What do you hope to achieve
>> by using fewer than 36 spokes?
>
> less weight

Not necessarily. If you use more spokes you can use a lighter rim -- and
in any case, if you think that saving weight of 8 spokes (maybe 50 grams
per wheel difference) is a significant difference even while climbing a
steep hill, I believe you are deluding yourself.

> and less aero drag.

Remember, the OP claimed he is non-competitive, and rides 100-150 miles per
week. I assumed his goal was not improving his ride times by seconds or
less.

--
Benjamin Lewis

"Love is a snowmobile racing across the tundra and then suddenly it flips
over, pinning you underneath. At night, the ice weasels come."
--Matt Groening


  
Date: 24 Sep 2004 21:22:05
From: John Forrest Tomlinson
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
On Fri, 24 Sep 2004 11:40:18 -0700, Benjamin Lewis <bclewis@cs.sfu.ca >
wrote:

>Alex Rodriguez wrote:
>

>
>> and less aero drag.
>
>Remember, the OP claimed he is non-competitive,

Alex was answering the question. He wasn't saying whether the trade
off was worth it.

JT

****************************
Remove "remove" to reply
Visit http://www.jt10000.com
****************************


  
Date: 27 Sep 2004 18:32:25
From: Bill Lloyd
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
On 2004-09-24 11:40:18 -0700, Benjamin Lewis <bclewis@cs.sfu.ca > said:

> Alex Rodriguez wrote:
>
>> In article <yy7oacvgahqq.fsf@marge.cs.sfu.ca>, bclewis@cs.sfu.ca says...
>>
>>> It probably won't cause a problem, but why? What do you hope to achieve
>>> by using fewer than 36 spokes?
>>
>> less weight
>
> Not necessarily. If you use more spokes you can use a lighter rim -- and
> in any case, if you think that saving weight of 8 spokes (maybe 50 grams
> per wheel difference) is a significant difference even while climbing a
> steep hill, I believe you are deluding yourself.

This is a theoretical point -- where are you going to get a 36 hole rim
that's lighter than a 28 hole rim?

Right, you're not. Because all clincher rims these days are the same
weight in a 28 or 32 hole rim -- mostly about 430 grams (Open Pro) or
maybe 400 grams (Velocity Aerohead). Nobody's going to be riding a 36
hole GL 280.

And 36 is overkill. 32 has worked fine for 15 years now -- it's
standard on nearly every production bike.

>
>> and less aero drag.
>
> Remember, the OP claimed he is non-competitive, and rides 100-150 miles per
> week. I assumed his goal was not improving his ride times by seconds or
> less.

Yes, it does seem an odd request for an everyday "non racing" wheel.



   
Date: 06 Oct 2004 21:19:01
From: Robert
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
Bill Lloyd wrote:

---8<---
>
>
> This is a theoretical point -- where are you going to get a 36 hole rim
> that's lighter than a 28 hole rim?

Of the same model, not too hard. A 36-hole rim has 8 holes less metal
than a 28.

Ha ha ha ha ha

/Robert "forgetting the eyelets for the time being" Brown



 
Date: 25 Sep 2004 05:02:06
From: supergiraffe
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?

Patrick W. Wrote:
> In the hands of a very competent wheel builder, would a 28-hole rear hub
> be
> a stretch for a rider like me? I'm non-competetive, ride maybe 100-140
> miles
> per week. This would be for a road bike, BTW, and the lacing would be a
> bit
> "fancy" = 1x on the left, 2x on the right. Without starting a debat on
> that
> configuration, anyone have thoughts on 28 vs 32 holes?

My time on the bike is very similar to yours -- non-competitive, but
ride on average 100 miles per week, sometimes more, sometimes less,
depending on weather and schedule, etc. I do weigh more than you at
six feet and between 175 and 180 lbs. A couple of months ago, I had
Mike Garcia build me up a 28-spoke rear wheel with White Industries LTA
hub, DT RR1.1 rims and Sapim CX-Ray spokes (and, of course, a companion
front 28-spoke wheel with the same components). About 800 miles later,
I have had no issues with it, and it has remained true. My old Mavic
Cosmos wheels, while they also remained true in their first 800 miles,
suffered from a dramatic loss of spoke tension in the rear wheel, which
needed to be corrected. I have experienced no such thing with the build
from Mike.

However, I suspect that the main difference in the equation for whether
the wheel would hold up would be the type of spokes and rims used. For
myself, I would not have used, for example, the IRD superlight rims and
a 28-spoke build (though for my wife, who weighs 105 lbs, that is what
she got and has had no issues). I've heard that the Velocity rims are
very strong and that the offset spoke drilling can help with tension
issues, and there are a wide variety of good spokes available. Just
stay away from the really super-super light stuff and I think you
should be fine. I chose the DT/Sapim/White build because it was a
little different from the norm, I liked the way the stuff looked, and
the reputation of all the components I chose was excellent. The DT
rims are fairly new to the U.S. market, but are relatively light and
have great quality control and finish. I've always wanted a set of
White hubs since I was a mountain-biker in college in the mid-'90s
(before I could afford, say, the nice "Tracker" front hub), and
Reynolds uses these LTA hubs on their top of the line carbon wheels so
I figured they must still be pretty good. The CX-Ray spokes were
something of a splurge, but they are supposed to have the best strength
to weight ratio of any spoke, and I figured the additional money spent
there (and ultimately enjoying it on the bike) was better than blowing
the equivalent amount of cash at a bar or something like that.


--
supergiraffe



  
Date: 25 Sep 2004 13:30:48
From: Qui si parla Campagnolo
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
supergiraffe-<< The CX-Ray spokes were
something of a splurge, but they are supposed to have the best strength
to weight ratio of any spoke, >><BR><BR>

The best strength to weight is 14g straights, but those don't make the best
wheelset.

Peter Chisholm
Vecchio's Bicicletteria
1833 Pearl St.
Boulder, CO, 80302
(303)440-3535
http://www.vecchios.com
"Ruote convenzionali costruite eccezionalmente bene"


 
Date: 24 Sep 2004 23:37:02
From: Alex Rodriguez
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
In article <yy7o4qlnecj1.fsf@css.css.sfu.ca >, bclewis@cs.sfu.ca says...
>
>
>Alex Rodriguez wrote:
>
>> In article <yy7oacvgahqq.fsf@marge.cs.sfu.ca>, bclewis@cs.sfu.ca says...
>>
>>> It probably won't cause a problem, but why? What do you hope to achieve
>>> by using fewer than 36 spokes?
>>
>> less weight
>
>Not necessarily. If you use more spokes you can use a lighter rim -- and
>in any case, if you think that saving weight of 8 spokes (maybe 50 grams
>per wheel difference) is a significant difference even while climbing a
>steep hill, I believe you are deluding yourself.
>
>> and less aero drag.
>
>Remember, the OP claimed he is non-competitive, and rides 100-150 miles per
>week. I assumed his goal was not improving his ride times by seconds or
>less.

A question was asked, I answered. I'm not defending the reasons, but they
are valid reasons.
-------------
Alex



 
Date: 25 Sep 2004 18:42:10
From: Benjamin Lewis
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
Alex Rodriguez wrote:

>>> In article <yy7oacvgahqq.fsf@marge.cs.sfu.ca>, bclewis@cs.sfu.ca
>>>> It probably won't cause a problem, but why? What do you hope to
>>>> achieve by using fewer than 36 spokes?
>>>
>>> less weight
>>
>> Not necessarily. If you use more spokes you can use a lighter rim --
>> and in any case, if you think that saving weight of 8 spokes (maybe 50
>> grams per wheel difference) is a significant difference even while
>> climbing a steep hill, I believe you are deluding yourself.
>>
>>> and less aero drag.
>>
>> Remember, the OP claimed he is non-competitive, and rides 100-150 miles
>> per week. I assumed his goal was not improving his ride times by
>> seconds or less.
>
> A question was asked, I answered. I'm not defending the reasons, but
> they are valid reasons.

The question asked by me, to the OP who claimed he was non-competitive, was
"what do *you* hope to achieve by using fewer than 36 spokes".

Few people (I hope) would consider less weight and aero drag to be goals in
themselves; what they really want, for example, is to go faster, and
consider these to be means toward that end.

--
Benjamin Lewis

"Love is a snowmobile racing across the tundra and then suddenly it flips
over, pinning you underneath. At night, the ice weasels come."
--Matt Groening


  
Date: 25 Sep 2004 22:00:05
From: John Forrest Tomlinson
Subject: Re: Thoughts on 28-hole rear hub for 155 lb rider?
On Sat, 25 Sep 2004 18:42:10 -0700, Benjamin Lewis <bclewis@cs.sfu.ca >
wrote:

>Alex Rodriguez wrote:
>
>>>> In article <yy7oacvgahqq.fsf@marge.cs.sfu.ca>, bclewis@cs.sfu.ca
>>>>> It probably won't cause a problem, but why? What do you hope to
>>>>> achieve by using fewer than 36 spokes?
>>>>
>>>> less weight
>>>
>>> Not necessarily. If you use more spokes you can use a lighter rim --
>>> and in any case, if you think that saving weight of 8 spokes (maybe 50
>>> grams per wheel difference) is a significant difference even while
>>> climbing a steep hill, I believe you are deluding yourself.
>>>
>>>> and less aero drag.
>>>
>>> Remember, the OP claimed he is non-competitive, and rides 100-150 miles
>>> per week. I assumed his goal was not improving his ride times by
>>> seconds or less.
>>
>> A question was asked, I answered. I'm not defending the reasons, but
>> they are valid reasons.
>
>The question asked by me, to the OP who claimed he was non-competitive, was
>"what do *you* hope to achieve by using fewer than 36 spokes".
>
>Few people (I hope) would consider less weight and aero drag to be goals in
>themselves; what they really want, for example, is to go faster, and
>consider these to be means toward that end.

Wow, that's a lot of rhetoric with no real information. Thanks, hope
you've protected your ego.

JT


****************************
Remove "remove" to reply
Visit http://www.jt10000.com
****************************