all-new Super Deluxe Ultimate DH Coil is a work of art with no feature spared

ROLLER BEARING CLUTCH™ technology reduces bounce and chain slap

Spend more time riding and less time tinkering with your gears on a Box Prime 9 setup

• Polarised and Iridium lens options available

highly flexible protector that works with the body in all riding positions

Shimano GRX FC-RX820 1x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110 BCD Asymmetric Shimano - 175mm - Black - 42T - 49.7mm Chainline Images Uploaded - Ready for Review all-new Super Deluxe Ultimate DHThe 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.