Vändad Shimano GRX FC-RX820-1

Wide array of options delivers optimal gravel gearing for variety of riders

The SHIMANO FC-RX820-1 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 40T and 42T chainrings, riders can choose closer gear steps or ultimate range.

Average weight - 644 (40T) 656 (42T)
Rear speeds - 12
Compatible chain - HG 12-speed
Chain line (mm) - 49.7
P.C.D. (mm) - 110
Spider/gear arms - 4
Chainring combination - 40T, 42T
Q-factor (mm) - 151
Recommended bottom bracket|Threaded (normal) - SM-BBR60
Recommended bottom bracket|Press-Fit - SM-BB72