Sprocket Rear Moto Master Aluminium 49T Blue Gas Gas Husaberg Husqvarna KtmThe 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 Design Our 7075 Series feature self cleaning grooves to increase the lifespan of the sprocket. It prevents mud build up for less wear and