Crankset. Teeth: 50-34T. Crank arm length: 170 mm. Road Crankset 2x8/7-speed. The SHIMANO TOURNEY A070 crankset is compatible with 2x7 and 2x8 drivetrains and provides compact 50-34T gearing. It uses a square taper bottom bracket interface and is available in 165 and 170mm crankarm lengths.
