Shimano GRX FC-RX820 40T 170mm Crankset
$256.99
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. The FC-RX820-1 comes in 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
- 42T and 40T chainrings available
Technical Specifications
- MODEL NO: FC-RX820-1
- SERIES: GRX 12-speed
- Average weight: 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
- Q-factor (mm): 151
- Crank arm length (mm): 170
- Recommended bottom bracket|Threaded (normal): SM-BBR60
- Recommended bottom bracket|Press-Fit: SM-BB72
- Threaded bottom bracket shell width (mm): 68/70
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