Tamiya Mini 4WD Rubber Brake Set #15413This new brake set is specifically designed for keeping your car on track when running on high speed courses with raised sections where braking is essential. The brakes can be easily installed to a number of places on your Mini 4WD such as the underside of the rear bumper. They can also be attached to any FRP plates (sold separately). The included 3mm aluminum collar allows you to attach this set to cars with either small or large diameter tires.New in original Tamiya package.Usable with Mini 4WD PRO, Mini 4WD cars