Shimano GRX FC-RX610-1 Gravel Crankset

The Shimano FC-RX610 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding

Riders can choose closer gear steps or ultimate range depending on personal need by pairing a 10-45t or 10-51t cassette with 38t or 40t chainring (cassettes and 38t chainring sold separately)
Optimal gearing for mixed-terrain riding
Compatible with HG 12-speed chains
49.7mm chainline
151mm Q-factor
Number of Chainrings: Single
Rings: 38T, 40T
Chainline/Hub Compatibility: 135/142 Road Disc Hubs > 415 mm Chainstay
Pedal Spindle: 9/16"
Crank Intended Use: Gravel
Spindle Interface Type: Shimano Hollowtech II
Drivetrain Speeds: 12
Chainring BCD: 110 Shimano Asymmetric
BB Included: No (sold separately)
Weight: 812g.
Color: Black