Renthal Rear Sprocket 37 Tooth Aluminum for Yamaha - Model 437U-520-37GBSI

The Renthal 437U-520-37GBSI rear sprocket is engineered from high-quality 7075-T6 aluminum alloy, offering an optimal balance of strength and weight reduction. CNC-machined for precision, each tooth features self-cleaning mud grooves that enhance wear resistance and maintain performance in challenging riding conditions. This design ensures longevity and smooth operation, making it suitable for demanding off-road or motocross applications. Despite being 66% lighter than traditional steel sprockets, it maintains exceptional durability, allowing for more responsive acceleration and improved handling. The ultralight construction reduces rotational mass, leading to better throttle response and overall bike agility. Perfectly compatible with Yamaha models, this sprocket combines advanced engineering with lightweight efficiency for riders seeking enhanced performance without compromising strength.

Features:

• Constructed from CNC-machined 7075-T6 aluminum alloy for superior strength and durability

• Self-cleaning mud grooves at each tooth to improve wear resistance and performance in muddy conditions

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

• Optimized for Yamaha motorcycles with a 37-tooth configuration

• Designed for high-performance riding, offering improved acceleration and handling