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.
. Optimal gearing for mixed-terrain riding
. 10-45T and 10-51T cassette options serve array of riding styles
. 38T and 40T chainrings available
Model Number
. FC-RX610-1
Series
. GRX 12-speed
Colour
. Series color
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