Renthal 40-Tooth Rear Sprocket for Yamaha 130U-520 Chain 130U-520-40GBSI

RENTHAL Sprocket Yamaha 40-Tooth 130U-520-40GBSI

Enhance your Yamaha's performance with the RENTHAL 40-Tooth Rear Sprocket, precision-engineered from high-grade 7075-T6 aluminum alloy. This ultralight sprocket is approximately 66% lighter than traditional steel options, offering improved acceleration and handling without compromising durability. Its self-cleaning mud grooves at each tooth effectively reduce debris buildup, ensuring consistent power transfer and extended lifespan. **Features:** - Constructed from CNC-machined 7075-T6 aluminum alloy for optimal strength-to-weight ratio. - Ultralight design reduces weight by approximately 66% compared to steel sprockets, enhancing bike agility. - Self-cleaning mud grooves at each tooth prevent debris accumulation, maintaining performance in off-road conditions. - Advanced tooth profile and precise fit ensure maximum power transfer and longevity. - Compatible with Yamaha 130U-520 chains, facilitating straightforward installation. **Specifications:** - Tooth Count: 40 - Chain Size: 520 - Material: 7075-T6 Aluminum Alloy - Weight: Approximately 0.65 lbs - Position: Rear - Color: Silver - Part Number: 130U-520-40GBSI