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Main
Date: 19 Nov 2005 17:54:05
From: Steve W
Subject: trike rear wheel
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Any recommendations for the best rim on the rear of my tadpole trike. 559
(26") size and using 1.35" to 1.5" tyres.
I assume there are other things to take into consideration because of the
side loading that will be experienced.
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Date: 21 Nov 2005 17:40:00
From: Jeff Wills
Subject: Re: trike rear wheel
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Steve W wrote:
> Any recommendations for the best rim on the rear of my tadpole trike. 559
> (26") size and using 1.35" to 1.5" tyres.
> I assume there are other things to take into consideration because of the
> side loading that will be experienced.
On a well-built wheel, most of the strength comes from the tension on
the spokes. A good, hand-built and -tensioned wheel will have far more
tension than a similar wheel built by a machine.
True, a wider rim will be better able to resist the side forces a trike
puts on a wheel, but most modern rims are more than strong enough,
particularly when built properly. I'd recommend a Salsa Semi:
http://harriscyclery.net/site/page.cfm?PageID=49&SKU=RM8610 for general
use or a Salsa Gordo if you're really worried about side forces:
http://harriscyclery.net/site/page.cfm?PageID=49&SKU=RM8619 . Bot are
available in a variety of drillings, up to 48-hole, if you're after the
ultimate wheel. 36 spokes should be adequate- we had no problems with
36-spoke Araya 7X's years ago:
http://www.pacifier.com/~jwills/Gallery/Aerorivr.jpg
Jeff
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Date: 22 Nov 2005 09:48:13
From: oldslowbenter
Subject: Re: trike rear wheel
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"Jeff Wills" <jwills@pacifier.com > wrote in message
news:1132623600.772326.104130@o13g2000cwo.googlegroups.com...
>
> Steve W wrote:
>> Any recommendations for the best rim on the rear of my tadpole trike.
>> 559
>> (26") size and using 1.35" to 1.5" tyres.
>> I assume there are other things to take into consideration because of the
>> side loading that will be experienced.
>
> On a well-built wheel, most of the strength comes from the tension on
> the spokes. A good, hand-built and -tensioned wheel will have far more
> tension than a similar wheel built by a machine.
>
> True, a wider rim will be better able to resist the side forces a trike
> puts on a wheel, but most modern rims are more than strong enough,
> particularly when built properly. I'd recommend a Salsa Semi:
> http://harriscyclery.net/site/page.cfm?PageID=49&SKU=RM8610 for general
> use or a Salsa Gordo if you're really worried about side forces:
> http://harriscyclery.net/site/page.cfm?PageID=49&SKU=RM8619 . Bot are
> available in a variety of drillings, up to 48-hole, if you're after the
> ultimate wheel. 36 spokes should be adequate- we had no problems with
> 36-spoke Araya 7X's years ago:
> http://www.pacifier.com/~jwills/Gallery/Aerorivr.jpg
>
> Jeff
>
>
The strength of the flanges on the hub might also be of some concern with a
tightly laced and highly loaded wheel, so don't go cheap and cheesy here.
See what gear the commercial trike builders use on their machines.
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