Fox Suspension Seal Kit

You should consider a service if you notice oil leaking around the shaft, increased stiction (a sticky or jerky feeling in the initial travel), or if the shock feels less responsive and plush than it did when new. These are clear indicators that the internal seals have degraded and are no longer providing a smooth, consistent ride.

No, this specific kit is designed for Fox rear shocks featuring a 9mm thru-shaft system, specifically for Trek models. Always verify your shock's specific model and shaft diameter before purchasing to ensure a correct fit.

If you are comfortable with basic bike maintenance and have the necessary tools—such as a shock pump, seal drivers, and the correct suspension fluid—you can perform this service yourself. However, if you are unsure about the internal assembly of your shock, it is best to have a professional mechanic handle the installation to avoid damaging the components.

Fox generally recommends a full service, including seal replacement, every 125 hours of riding or once a year, whichever comes first. If you ride in particularly muddy, dusty, or harsh conditions, you may need to perform this maintenance more frequently to keep your suspension performing at its best.

This kit includes the essential internal seals required to refresh your shock's performance. You will still need to provide your own suspension fluid, grease, and the appropriate tools to complete the service.