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

the Seismic hub uses 2 coupled toothed ratchet rings

and compression Lycra with Kenesio™ bands and multiple Sharkskin neoprene grippers to keep the pad firmly in place without the needs for straps

longer and slimmer platform that doesn't sacrifice on rigidity or strength

real tough

a hollow chromoly 14mm axle

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