Array of options delivers optimal gravel gearing for variety of riders
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
38T and 40T chainrings available
Technical Specifications
MODEL NO: FC-RX610-1
SERIES: GRX 12-speed
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
Q-factor (mm): 151
Crank arm length (mm): 172.5
Recommended bottom bracket|Threaded (normal): BB-RS501
Recommended bottom bracket|Press-Fit: BB-RS500-PB
Threaded bottom bracket shell width (mm): 68/70
Array of options delivers optimal gravel gearing for variety of riders
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
38T and 40T chainrings available
Technical Specifications
MODEL NO: FC-RX610-1
SERIES: GRX 12-speed
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
Q-factor (mm): 151
Crank arm length (mm): 172.5
Recommended bottom bracket|Threaded (normal): BB-RS501
Recommended bottom bracket|Press-Fit: BB-RS500-PB
Threaded bottom bracket shell width (mm): 68/70