R&G Factory GP Knee SlidersR&G Factory GP Knee Sliders R&G Knee Sliders have been put to the test extensively around the world, from the British Superbike Championship to top race schools, our Knee Sliders are trusted by many riders on many tracks and Roads. R&G Factory GP Knee Sliders are designed with the track enthusiast in mind. Developed in partnership with some of the best British Superbike riders, our Factory GP Knee Sliders feature a new, harder wearing compound for