Shimano Altus Mt210

The SHIMANO FC-MT210-2 crank is designed for 2x9 speed MTB drivetrains. With HYPERDRIVE technology it provides smooth and precise shifting.Specifications:- 2-PIECE CRANKSET: yes- Chainring combination: 46-30T 36-22T- Compatible bottom bracket type_Outboard: yes - Crank fixing screw included: yes - Crank arm length (mm)_170: yes - Crank arm length (mm)_175: yes - Spider/Gear arms: 4- Optional chain guard_With chain guard X (46-30T) - (36-22T)- Optional chain guard_Without chain/bash guard: yes - Recommended bottom bracket_Press-fit: BB-MT500-PA- Recommended bottom bracket_Threaded (normal): BB-MT500- Threaded bottom bracket shell width (mm)_68 : yes - Threaded bottom bracket shell width (mm)_73 : yes - Q-factor (mm): 176- Chain line (mm): 48.8- Compatible chain: HG 9-speed- P.C.D. (mm) Riveted- Rear speeds: 9- O.L.D._QR/Nut (mm): 135- O.L.D._Thru (mm): 142