BSD Back Street Pro Male Cassette Hub - LHD supplier_39345205837935 the Seismic hub uses 2

the Seismic hub uses 2 coupled toothed ratchet rings

It's a really clean looking design with an engraved Fit Bike Co logo on the face plate

Butted ThermalX chromoly tubing throughout the frame makes it tough as anything

HUB:Eclat Cortex Coaster

BSD Back Street Pro Male Cassette Hub - LHD supplier_39345205837935 the Seismic hub uses 2BSD's Back Street Pro Hub was designed around their custom driver that features a skip free mechanism while still maintaining a compact shell. The shell is built from 6061 T6 aluminium that's paired with a 14mm 4140 heat treated chromoly axle, finished with bombproof female 14mm bolts, chromoly cones, a massive female axle and hefty 6903 bearings. ###section### Product Specs HUB TYPE: Cassette AXLE: 14mm Male DRIVER: 9t DRIVE SIDE: Left Side Drive