Upgrade your ride with the MIKA METALS Rear Sprocket Aluminium 50t 420, part number 40-1050. Designed for off-road racing enthusiasts, this high-quality sprocket combines durability with lightweight performance, ensuring your bike can handle the toughest trails. The self-cleaning grooves and innovative tooth design enhance power transfer and longevity, making it a reliable choice for riders seeking peak performance. Features: * Material: High quality aluminum to withstand the rigors of off-road racing * Lightweight Design: Engineered to be lightweight yet durable for extreme conditions * Self-Cleaning Grooves: Promote long-lasting sprocket life by minimizing dirt build-up * Tooth Design: Allows for increased power transfer for superior performance * Professional Testing: Extensively tested by top professionals in the off-road racing community