Bicycle jackshaft hardware kit , 90 days' warranty !! Bottom price from the factory !

Bicycle Jackshaft Hardware Kit

. Latest model , more easily fix it on the bike

· Middle jackshaft with the slot , more steady than the old

· Improved quality Jp Bearing and Taiwai Freewheel

· 44T/36T and 44T/24T can be selected

Bicycle jackshaft hardware kit