Shimano GRX FC-RX820 1x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110 BCD Asymmetric Shimano - 175mm - Black - 40T - 49.7mm Chainline YGroup_7033427329069 Durable 3D Forged Head -

Durable 3D Forged Head - With 7075-T6 Forged Clamp

Regular fit

Mtb or E-bike

5 hours of listening time so you can get on the go fast

FastDry: 200% times faster than cotton and 50% than polyester

Shimano GRX FC-RX820 1x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110 BCD Asymmetric Shimano - 175mm - Black - 40T - 49.7mm Chainline YGroup_7033427329069 Durable 3D Forged Head -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.