Renthal 123U-520-51GYPE Ultralight Rear Sprocket 520 Pitch 51 Tooth Yellow

The Renthal 123U Ultralight rear sprocket delivers championship-proven performance for Suzuki motocross and off-road motorcycles. Chosen by more factory motocross and supercross teams than any other brand, this precision-engineered sprocket combines race-winning durability with exceptional weight savings.

Key Features:

• 66% lighter than steel for reduced unsprung weight and improved acceleration
• Precision CNC manufactured to extremely tight tolerances for accurate fit and maximum power transfer
• High-strength specially enhanced 7075 T6 aluminum alloy construction
• Self-cleaning mud grooves between every tooth prevent dirt buildup and increase wear resistance
• Advanced tooth profile, concentricity and accuracy of fit provide long service life
• 520 chain pitch with 51 teeth for optimal gearing options
• Yellow/gold anodized finish for distinctive appearance

Renthal's combination of very high strength base material and exceptionally hardwearing surface delivers significantly increased sprocket life compared to competing brands. This Ultralight grooved sprocket is designed specifically for Suzuki RM and RMZ models, offering the perfect balance of strength, weight savings, and durability for demanding motocross and off-road racing conditions.