Shimano Zee FC-M640 68/73mm Crankset Shimano's ZEE line is designed for those of us who don't have big name sponsors, but still love to crush lines. Featuring a DH specific design, ZEE components are ready to take anything you can throw at them. The ZEE crankset features a thick wall, 2 piece aluminum construction with a reinforced steel axle and steel pedal inserts to keep your pedals from ripping out. Features Fits 68/73mm BB shells BCD: 1042-Piece Crankset Reinforced steel axle Steel pedal inserts Weight: 823g | Shimano | Zee Fc-M640 68/73Mm Crankset | Black | 175Mm, With 36 Tooth Chainring | Aluminum