Rear mountain bike mudguards help cut down the spray and mud thrown up by the back wheel, keeping your clothing cleaner and making wet rides more comfortable. From compact guards for everyday trail riding to longer options for really messy conditions, there are designs to suit different bikes and riding styles.
Why Choose a Rear MTB Mudguard?
When trails are saturated, the rear wheel can throw a constant stream of water and mud onto your back. A rear guard helps reduce that spray without adding much weight or complexity, making it a useful addition for autumn and winter riding. Longer guards can offer more coverage, while shorter designs keep things simple and unobtrusive.
What to Look for in a Rear MTB Mudguard
- Tyre clearance: Make sure there is enough room around the tyre for mud, stones and debris to pass without catching the guard.
- Mounting position: Rear MTB guards can attach to the seatpost, saddle rails or frame. Check that the mounting system suits your bike and leaves enough space for suspension movement.
- Coverage: Longer guards catch more spray, while shorter guards are lighter and easier to leave fitted without getting in the way.
- Full-suspension compatibility: On full-suspension bikes, make sure the guard won't contact the tyre or frame as the suspension moves through its travel.
For better protection at the front of the bike, pair your rear guard with one of our front MTB mudguards. You can also explore all mountain bike mudguards, or read our Mudguards Buying Guide for more help with fit, coverage and mounting options.