Shimano GRX FC-RX820 1x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110 BCD Asymmetric Shimano - 175mm - Black - 40T - 49.7mm Chainline

Description

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.