Shimano -
The Shimano Alfine FC-S501 is a stylish 2-piece road crank with premium build quality that is great for city touring. Crank arms and chainguard crafted with durable and light weight aluminum 5 gears arms with 130mm BCD Includes Outbound BSA threaded bottom bracket for 68mm frames For front or rear 42.7 Chainline Shimano Alfine FC-S501 Crankset - 170mm, 8/9-Speed, 130BCD, 39t, 24mm Hollow Spindle, Includes BSA Bottom Bracket, Black Number of Chainrings: Single Chainline/Hub Compatibility: 135/142 Road Disc Hubs < 415 mm Chainstay Chainring BCD: 130 keyword search: Alfine Color: Black Crank Intended Use: Road , Commute Crank Length (mm): 170 Pedal Spindle: 9/16" Rings: 39 Drivetrain Speeds: 8 , 9 Defined Color: Black BB Included: No Weight: 977