Shimano GRX FC-RX610-1 Crankset – 165mm 12-Speed 40t 110 BCD Hollowtech II Spindle Interface BLK

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.

FEATURES

• 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

SPECIFICATIONS

• Number of Chainrings:Single
• Chainline/Hub Compatibility:135/142 Road Disc Hubs > 415 mm Chainstay
• Pedal Spindle:9/16″
• Crank Intended Use:Gravel
• Crank Length (mm):165
• Rings:40
• Spindle Interface Type:Shimano Hollowtech II
• Drivetrain Speeds:12
• Defined Color:Black
• Chainring BCD:110 Shimano Asymmetric
• BB Included:No
• Weight:812