Wheel bearings are among the fastest rotating parts on a bicycle, so any additional drag has a material impact on drivetrain efficiency. 

Kogel Bearings use Silicon Nitride balls, which will not rust or oxidise.  Harder and more wear resistant than steel, they are precision-machined with ultra-tight tolerances.

Find out more about why you should consider an upgrade to Kogel Bearings on the blog.

Each upgrade kit consists of:

Note: pricing includes fitting to wheel hubs