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Old 12-10-12, 08:54 PM   #1
globalrider
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How hard to build a wheel from a wide 3 speed hub and a motorcycle rim?

I have a 3 speed hub set up: The "... Extra Wide Sturmey Archer SX-RK3 Hub; Internally Geared 3 Speed; ... for Use with Extra Wide (i.e. 4"/100mm) Rims; Measures 170mm Locknut to Locknut (Inside Frame Dimension);" I thought maybe I could build it or have it built like to to a motorcycle rim to have a greater selection of tires available for my monster ride.

Does anybody have any experience in something like thing idea? I will be building this over the winter could try it myself but want to hear from someone else who has tried it.
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Old 12-11-12, 10:24 AM   #2
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I think the challenge would be finding spokes that would fit your hub as well as a motorcycle rim. I imaging there would be some significant modification needed to either the hub, the spokes or the rim to make it work.
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Old 12-15-12, 04:55 PM   #3
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Maybe you can buy the rim from the manufacturer before they have drilled holes for the spokes and have bicycle spoke holes drilled by a machine shop.
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Old 12-15-12, 06:12 PM   #4
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I think the challenge would be finding spokes that would fit your hub as well as a motorcycle rim. I imaging there would be some significant modification needed to either the hub, the spokes or the rim to make it work.
Bicycle spokes would work, though you might have to put washers or something under the spoke nipples.

The main problem I have seen mentioned with building bicycles that use motorcycle rims & tires is that a motorcycle rim & tire is probably 4 to 5 times as heavy as a bicycle rim & tire roughly the same diameter. That doesn't make it impossible to ride, but it will take a LOT of pedaling force to get that wheel spinning, and a LOT of brakes to stop it quickly....
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Old 12-17-12, 07:23 AM   #5
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One place to start might be Atomic Zombie's "Overkill" plans.
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Old 12-26-12, 01:14 AM   #6
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I would think your rear will be wider than your auntie's...B17. That's wicked.
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Old 12-28-12, 05:26 AM   #7
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hey if you know any road racing motorcyclists. The slick tyres they use are light weight. And they are often really cheap as part worn tyres.
maybe racing intermediate or wet weather tyres are light too.
You will be restricted to the sizes available tho. Also racing tyres have strange sizes on them.
I have heard that 16" motorbike or car tyres will fit on the Schwinn Stingray 20" rear wheel.
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