Description

Array of options delivers optimal gravel gearing for variety of needs. 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.
Features:
– Optimal gearing for mixed-terrain riding
– 10-45T and 10-51T cassette options serve array of riding styles
Specifications:
– Average weight: 791 (38T) 812 (40T)
– 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: Yes
– Crank arm length (mm) 170: Yes
– Crank arm length (mm) 172.5: Yes
– Crank arm length (mm) 175: Yes
– Optional chain guard Without chain/bash guard: Yes
– 2-Piece Crankset: Yes
– Hollowtech crank arm: Yes
– Compatible bottom bracket type Outboard: Yes
– Recommended bottom bracket Threaded (normal): BB-RS501
– Recommended bottom bracket Press-Fit: BB-RS500-PB
– Threaded bottom bracket shell width (mm) 68: Yes
– Threaded bottom bracket shell width (mm) 70: Yes
– Crank fixing screw included: Yes
Black