Shimano FC-RX820 Front Crankset GRX 40T 172.5mm 12-Speed

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

The Shimano FC-RX820-1 crank balances weight savings, optimised 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 various crank arm lengths, providing an additional level of customisation.

FEATURES

• Optimal gearing for mixed-terrain riding
• 10-45T and 10-51T cassette options serve array of riding styles
• 42T and 40T chainrings available

PRODUCT SPECIFICATIONS

Model No: FC-RX820-1
Series: GRX 12-speed
Colour: Series colour
Average weight: 644 grams (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: 40T
Q-factor (mm): 151
Crank arm length (mm)|172.5: Yes
Optional chain guard|Without chain/bash guard: Yes
HollowTech II: Yes
HollowTech crank arm: Yes
Compatible bottom bracket type|Outboard: Yes
Recommended bottom bracket|Threaded (normal): SM-BBR60
Recommended bottom bracket|Press-Fit: SM-BB72
Threaded bottom bracket shell width (mm)|68: Yes
Threaded bottom bracket shell width (mm)|70: Yes
Crank fixing screw included: Yes

ABOUT SHIMANO

In response to surging demand for global environmental preservation, bicycles now attract attention as the most eco-friendly means of transport. Shimano are dedicated to supply high-quality and high-performance components for different types of bicycles made in various countries and regions of the world, ranging from bicycles for the world’s top racers to daily users.

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