Power begins at the crankset, and with QO BIKE carbon, every watt is delivered with maximum precision.

Ultralight and hyper-stiff, our crank arms are shaped to channel force directly through the drivetrain.

Whether you're sprinting or grinding through climbs, you'll feel the responsiveness of uncompromising design.

Push harder and ride smarter with cranksets made to elevate your performance with every revolution.

Crank length affects more than just fit. From cadence and power output to joint comfort and aerodynamics, choosing the right crank length is crucial.

This guide explains how to select the ideal size for your riding style, body geometry, and performance goals, whether you're climbing mountains, racing crits, or riding gravel with QO.