Thread: Adding a 3-speed internal hub
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Old 08-02-15 | 06:24 AM
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tcs
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From: Parts Unknown

Bikes: Mike Melton custom, Alex Moulton AM, Dahon Curl

Originally Posted by fietsbob
dual drive hubs require a 135 wide rear dropout frame.
Yep, the SRAM DD24-27-30.

The Sturmey-Archer CS-RF3 hub is nominally 135mm OLD, but I think the 6.8mm lock nut on the non-drive side could be either replaced with a thinner one or left out all together (there are three lock nuts there, after all) and the wheel built with more dish.
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