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So, is he using one of these, with a disk rotor in it for the rear brake?
https://problemsolversbike.com/products/cog-carrier
Brake doesnt work rolling backwards i guess, which is of little concern but will still be odd. Must put a fair bit of force through the freehub when you grab it though.
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Must put a fair bit of force through the freehub when you grab it though.
I initially didn't like the idea of putting that much force through a freehub, but realistically braking is probably not more torque than a hard start in a low gear (think wheelie). It might fail eventually but should be good for a few years I'd imagine
There's a CXC on radavist with 6 bolt cog on the disc mount and problemsolvers 6 bolt adapter for the disc brake on the freehub body.