RENTHAL Aluminum Rear Sprocket 42 Tooth for Yamaha 130U-520-42GBSI

The RENTHAL Rear Sprocket, part number 130U-520-42GBSI, is engineered for high-performance motorcycle applications. Crafted from CNC-machined 7075-T6 aluminum alloy, it offers a perfect balance of strength and weight savings. The innovative self-cleaning mud grooves at each tooth help reduce debris accumulation, enhancing wear resistance and extending sprocket lifespan. This design feature ensures consistent performance even in muddy or off-road conditions. The ultralight construction makes this sprocket approximately 66% lighter than traditional steel options, contributing to improved acceleration and handling without sacrificing durability. Ideal for riders seeking reliable, lightweight components that optimize their bike's drivetrain efficiency, the RENTHAL rear sprocket delivers both performance and longevity. Easy to install and compatible with Yamaha models using a 130U-520 chain, it provides a significant upgrade over stock parts for serious riders and enthusiasts alike.

Features:

• Made from CNC-machined 7075-T6 aluminum alloy for high strength and durability

• Self-cleaning mud grooves at each tooth to reduce debris buildup and increase wear resistance

• Ultralight design reduces weight by approximately 66% compared to steel sprockets

• Optimized for Yamaha models with 130U-520 chain compatibility

• Engineered for enhanced performance, acceleration, and longevity