Crankset. Chainring combination: 40T. Crank arm length: 172.5 mm. 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.
- Rear speeds: 12
- Compatible chain: HG 12-speed
- Chain line: 49.7 mm
- P.C.D.: 110 mm
- Spider/gear arms: 4
- Q-factor: 151 mm
- 2-PIECE CRANKSET
- HOLLOWTECH crank arm
- Recommended bottom bracket: Threaded (normal): BB-RS501. Press-Fit: BB-RS500-PB
- Threaded bottom bracket shell width: 68 mm, 70 mm
- Crank fixing screw included
- Average weight: 812 (40T)
