Product Detail
AS3 Performance Factory Series rear sprockets are a game - changer. They blend the durability of steel and the lightness of aluminium, offering you an extremely long - lasting rear sprocket. The outer ring, made from hardened steel with a nickel coating, can last up to 3 times longer than an aluminium sprocket. The inner ring, crafted from aircraft - grade 7075 - T6 aluminium, is up to 50% lighter than a standard steel sprocket. With 49 teeth, it's a perfect fit for 2021 Rieju MR 300 Racing, Pro, and Ranger models. Key features include a hardened steel outer ring that outlasts aluminium sprockets, a lightweight aluminium inner ring, high resistance to bending and damage (ideal for enduro), an anodised finish with AS3 Performance branding, manufacturing by a world - leading sprocket maker, testing on tough sand tracks globally, a 12 - month warranty from a UK company, and you'll receive the exact sprocket style as shown in the picture.
Using this rear sprocket is easy. Just install it on your 2021 Rieju MR 300 Racing, Pro, or Ranger model following the standard installation procedures. When riding, you'll notice the smooth performance due to its high - quality construction. As for maintenance, it's a good idea to regularly clean the sprocket. You can use a mild detergent and a soft brush to remove dirt and debris. Check for any signs of wear and tear, especially on the teeth. If you notice any issues, it's best to contact the UK company that offers a 12 - month warranty. Also, avoid over - stressing the sprocket in extremely rough conditions. With proper care, this sprocket will serve you well for a long time.