Fox Air Bump Stops deliver tune-able bottoming control so you can push your ride to the limits without harsh bottoming. Fox Air Bump Stops are available in a variety of lengths to match your suspension travel and type of off-roading. If you’re not sure what size Fox Air Bump Stops are right for you give us a call and we can provide a recommendation. Fox Air Bump Stops feature tuneable nitrogen pressure, compression valving, and rebound valving. It is common to tune the pressure in Fox Air Bump Stops in order to deliver the right amount of bottoming control without harshness. At AccuTune Off-Road we can help you select the right Fox Air Bump Stops and the correct initial pressure.