GRX CRANKSET - 1X12s

FC-RX610-1

The SHIMANO FC-RX610-1 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. By pairing a 10-45T or 10-51T cassette with 38T or 40T chainring, riders can choose closer gear steps or ultimate range depending on personal need. The FC-RX610-1 comes in 165, 170, 172.5, and 175 mm crank arm lengths, providing an additional level of customization.

BENEFIT

• Optimal gearing for mixed-terrain riding
• 38T and 40T chainrings available

FEATURE

• 10-45T and 10-51T cassette options serve array of riding styles

PRODUCT SPECIFICATION

• Model No: FC-RX610-1
• Series: GRX
• Rear speeds: 12
• Compatible chain: HG 12-speed
• Chain line (mm): 49.7
• P.C.D. (mm): 110
• Spider/gear arms: 4
• Chainring combination: 38T, 40T
• Q-factor (mm): 151
• Crank arm length (mm):
  • 165: ✔
  • 170: ✔
  • 172.5: ✔
  • 175: ✔
• Optional chain guard:
  • Without chain/bash guard: ✔
• HOLLOWTECH crank arm: ✔
• Compatible bottom bracket type:
  • Outboard: ✔
• Recommended bottom bracket:
  • Threaded (normal): BB-RS501
  • Press-Fit: BB-RS500-PB
• Threaded bottom bracket shell width (mm):
  • 68: ✔
  • 70: ✔
• Crank fixing screw included: ✔
• Average weight: 791 (38T) 812 (40T)
• Color: Series color