The hope bmx race rear hub has the proven quality of the pro 2 evo hubs brought to bmx it features sealed stainless steel cartridge bearings throughout for top quality rolling resistance the internals work on a 4 pawl ratchet mechanism with 80 point engagement 45 deg the race version has a 6 bolt sprocket driver which comes supplied with a 16t sprocket the hub shell is machined from forged 2014 t6 aluminium billet and is available in black silver or red 36 hole only