Gates belt drive - ShimanoSG-700Alfine compatibility?

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Gates belt drive - ShimanoSG-700Alfine compatibility?

Postby polydexta » Fri Jan 25, 2013 10:28 am

Does anyone know if a Gates belt drive setup can be used to drive the Shimano Alfine 700 or the Rohloff 14 speed?

Thanks
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by BNA » Fri Jan 25, 2013 1:03 pm

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Re: Gates belt drive - ShimanoSG-700Alfine compatibility?

Postby il padrone » Fri Jan 25, 2013 1:03 pm

Some discussion from the Thorn Forum about this, and more specifically a response from a manufacturer. It seems that with a Rohloff, to retain their very valuable worldwide warranty, you'd need the conversion to be done by Rohloff and using a frame that would meet their specs for rigidity.

Probably cheaper and easier to get a bike that is already designed for it. There are such, but most are sold out of Europe and will cost $$$$.

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Retrofitting to the Alfine 11 I know little about, but it may be an easier task :?
Last edited by il padrone on Fri Jan 25, 2013 1:10 pm, edited 1 time in total.
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Re: Gates belt drive - ShimanoSG-700Alfine compatibility?

Postby Sparx » Fri Jan 25, 2013 1:07 pm

I have an Avanti Inc 3 which has an Alfine 11 speed hub and Gates CDX belt drive
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Re: Gates belt drive - ShimanoSG-700Alfine compatibility?

Postby polydexta » Sat Jan 26, 2013 6:42 am

Thanks for the tips. Great places to start.


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Re: Gates belt drive - ShimanoSG-700Alfine compatibility?

Postby find_bruce » Sat Jan 26, 2013 9:22 am

Fitting a belt drive to an Alfine 8 or 11 is reported to be fairly straight forward.

A Di2 (electronic shifting) Alfine is much more problematic, although apparently it is possible, at least if you have access to a machine shop.
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Re: Gates belt drive - ShimanoSG-700Alfine compatibility?

Postby AUbicycles » Sat Jan 26, 2013 3:38 pm

Agree with il padrone, working with a frame designed for a carbon drive will save time and money.
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Re: Gates belt drive - ShimanoSG-700Alfine compatibility?

Postby outnabike » Sat Jan 26, 2013 5:36 pm

Hi polydexta,
This company seems to have some clues on installation.
http://www.stkildacycles.com.au/gates-belt-drive-

http://www.stkildacycles.com.au/rohloff
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Re: Gates belt drive - ShimanoSG-700Alfine compatibility?

Postby Crawf » Sat Jan 26, 2013 8:22 pm

polydexta wrote:Does anyone know if a Gates belt drive setup can be used to drive the Shimano Alfine 700 or the Rohloff 14 speed?

Thanks


Yes straight fit, 3 spline, fits on as you would with a normal chained sprocket.
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Re: Gates belt drive - ShimanoSG-700Alfine compatibility?

Postby WestcoastPete » Sat Jan 26, 2013 9:06 pm

St Kilda Cycles built my touring bike up with a Rohloff and Gates Belt Drive. It's a modified Charge Duster. I love it. I'd get the Center Trak if I were doing it again, but the extra 2mm width of the belt might cause problems on a modified frame.

http://www.crazyguyonabike.com/doc/page ... 85919&v=LC
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