Renthal 42-Tooth Rear Sprocket for Yamaha 520 Chain 130U-520-42GBSI

Enhance your Yamaha's performance with the RENTHAL 42-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 CNC-machined design ensures a precise fit, while self-cleaning mud grooves at each tooth reduce debris buildup, extending the sprocket's lifespan. **Features:** - Crafted from 7075-T6 aluminum alloy for superior strength and lightweight performance. - Ultralight design reduces weight by approximately 66% compared to steel sprockets. - CNC-machined for precise fit and smooth operation. - Self-cleaning mud grooves at each tooth to prevent debris buildup and enhance wear resistance. - Compatible with Yamaha models requiring a 42-tooth rear sprocket. **Specifications:** - **Part Number:** 130U-520-42GBSI - **Teeth Count:** 42 - **Chain Size:** 520 - **Material:** 7075-T6 Aluminum Alloy - **Weight:** Approximately 66% lighter than steel sprockets - **Finish:** Silver - **Compatibility:** Yamaha YFM350X Warrior (1989-2004), YFM660R Raptor (2001-2005), YFS200 Blaster (1988-2006), YFZ350 Banshee (1989-2006)