Shimano GRX FC-RX810 1x Crankset – 40T Or 42T Chainring, 170mm Crank Arm

Build up or upgrade your gravel bike with this Shimano GRX crankset.

It's the FC-RX810 model, part of Shimano's dedicated gravel group.

This is the 1x (one-by) version, so it's designed for a single chainring.

You can choose between a 40-tooth or 42-tooth ring.

The crank arm length is 170mm.

It's brand new in its original packaging.

Whether you're building a bike from scratch or swapping out parts, this GRX crank is a solid, smooth-shifting choice for rough roads and dirt.