Industry Nine HYDRA CL Rear Bearing Kit

You should consider replacing your bearings if you notice a gritty or rough feeling when spinning the wheel by hand, or if there is any noticeable side-to-side play in the hub shell. If your wheel doesn't spin as freely as it used to, it is likely time for a refresh.

No, this specific kit (HKMB23) is designed for the Hydra CL (Center Lock) rear hub. Always verify your specific hub model and axle configuration before purchasing to ensure a proper fit.

Yes, installing hub bearings typically requires a bearing press and specific drifts to ensure the bearings are seated squarely without damaging the hub shell or the new bearings. If you aren't comfortable with precision mechanical work, a local bike shop can handle the installation for you.

This kit includes the necessary replacement bearings to refresh the internals of your Hydra CL rear hub. However, it does not include freehub body seals or pawl springs, so check if those components also need attention before you begin your service.

These are high-quality steel bearings. They are designed to match the original factory specifications for durability and smooth performance in a wide range of riding conditions.