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.

• Gravel-optimized 46-30t gear combination ratios preserve riding rhythm on rough surfaces
• Smaller gear steps for cadence control on mixed-terrain riding
• Compatible with HG 12-speed chains
• 47mm chainline
• 151mm Q-factor
• Color: Black
• Rings: 46/30
• Number of Chainrings: Double
• Crank Length (mm): 172.5
• Crank Intended Use: Gravel
• Drivetrain Speeds: 12
• BB Included: No
• Pedal Spindle: 9/16″
• Spindle Interface Type: Shimano Hollowtech II
• Chainring BCD: 110 Shimano Asymmetric
• Chainring BCD: 80
• Chainline/Hub Compatibility: 135/142 Road Disc Hubs > 415 mm Chainstay
• Defined Color: Black