ARC MT001 mountain bike quick release hub is an entry-level style. Its advantages are low price and good quality. The hub is made of 6061 aluminum alloy flange and iron shaft and steel freehub, front hub and rear hub There are 2 bearings, which are suitable for the front 100mm and rear 135mm bicycle frames. MT001 has two colors (red, black) and two holes (32 holes, 36 holes) to choose from, compatible with 6-bolt disc brakes, flange compatible with 14g elbow spokes, freehub compatible with Shimano 8 9 10 11 speed cassette, freehub 36 click sounds (3 claws and 1 tooth).