ZIPP COGNITION 6904 Bearing Guide #00.1918.177.050

The ZIPP Cognition Rear Bearing Guide 6904 is a part designed for the rear hub of Cognition wheels, to replace a worn or seized bearing and restore full original rolling smoothness. It installs directly into the hub shell using the dedicated press tool.

This product ensures precise axle support and smooth, play-free rotation to maintain the performance of your Cognition wheel over time.