The Moto-Master Racing 7075 Rear sprockets are made to the highest standard when it comes to materials, state of the art manufacturing processes and technology. Made of aircraft-grade 7075-T6 aluminium one of the lightest sprockets on the market and the ultimate sprocket for motocross racing.Self-cleaning Groove DesignOur 7075 Series feature self-cleaning grooves to increase the lifespan of the sprocket. It prevents mud build up for less wear and tearMade in HollandSprocket Rear Alloy Moto Master Made in Holland