Shimano GRX FC-RX610 1x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110 BCD - 172.5mm - Black - 40T - 49.7mm Chainline YGroup_7035365883949 Clamp Colour (Brake Lever Clamp):

Clamp Colour (Brake Lever Clamp): Black

Weight: 78g

increasing wicking performance and comfort

There are also mesh finger gussets featured to enhance mobility and breathability

and the Biostretch harness is lightweight and ventilated and has rolled soft edges that contour to the shoulder for comfort and stability

Shimano GRX FC-RX610 1x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110 BCD - 172.5mm - Black - 40T - 49.7mm Chainline YGroup_7035365883949 Clamp Colour (Brake Lever Clamp):Introducing 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.