Shimano FC-S501 Alfine Crankset - 170mm - 42T - Black
The Alfine chainset is a lightweight, sleek 2-piece design using the proven external bottom bracke...The Alfine chainset is a lightweight, sleek 2-piece design using the proven external bottom bracket system. Its 2-piece design is both lightweight and stiff for optimum power transfer. It features a built-in single-sided chain guard. The crank arm length is 170 mm. The chainring is for use with 9-speed chains and CS-S500 rear sprockets. A BS thread bottom bracket is included for a 42.7 mm chain line. It has a 5-arm 130 PCD. This crankset is compatible with 9/8-way chains.
The Alfine chainset is a lightweight, sleek 2-piece design using the proven external bottom bracket system. Its 2-piece design is both lightweight and stiff for optimum power transfer. It features a built-in single-sided chain guard. The crank arm length is 170 mm. The chainring is for use with 9-speed chains and CS-S500 rear sprockets. A BS thread bottom bracket is included for a 42.7 mm chain line. It has a 5-arm 130 PCD. This crankset is compatible with 9/8-way chains.