This needs to be used in conjunction with a Reverb Bleed Kit

For rear derailleurs marked with *

and quick access front pocket

Chain tool: 8/9/10/11/12 speed compatible

Shimano GRX FC-RX610 1x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110 BCD Asymmetric Shimano - 165mm - Black - 38T - 49.7mm Chainline PLP|EMTB Optimised This needs to be usedIntroducing the Shimano GRX FC RX610 1x12 Speed Crankset ideal for riders who prefer simplicity with a single chainring setup. The 38T chainring provides a good balance for gravel terrain, and the enhanced chainline allows for greater tire clearance. Single Chainring Efficiency: 1x12 speed system simplifies shifting and reduces weight. Hollowtech II Technology: Lightweight yet durable, with stiff crank arms for efficient power transfer.