The halo mxr bmx rear hub uses the proven 120 point triple wedge pawl drive supa drive system but in a design for bmx as it features a bushed bearing mini threaded 97 driver this hub has 36 holes for spokes and it provides you with almost instantaneous pick up and a fantastic sound this supa drive hub is available either with a 15mm alloy axle with 38rdquo cr mo bolts or a 14mm hollow cr mo axle with alloy nutswashers this rear hub is available as a right hand drive or a left hand drive v