Renthal 19+ BMW S1000R / 19-23 S1000RR / 20+ S1000XR Rear Hard Anodized Sprocket - 520-40P Teeth

Renthal UltraLight Rear Chainwheels are CNC machined from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer. A combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface treatments its clear to see why Renthal's light weight all aluminum rear sprockets can be found on the rear wheels of many factory race team machines.

• Renthal's in house CNC facilities accurately machine each individual rear chainwheel to the tightest tolerance possible ensuring an accurate and reliable fit
• Specially enhanced 7075 T6 aluminum alloy is used to create the perfect rear chainwheel, that is lightweight, durable and strong
• Features self-cleaning mud grooves between every tooth to prevent dirt build up
• 66% lighter than steel

The Renthal Part Number 510U-520-40P-HA rear chainwheel is engineered specifically for high-performance powersports applications. CNC machined from premium 7075 T6 aluminum alloy, this sprocket offers a perfect balance of strength, durability, and weight savings. It is approximately 66% lighter than steel, contributing to improved acceleration and handling without compromising structural integrity. Each sprocket is manufactured in Renthal's in-house CNC facilities, ensuring precise tolerances for a reliable fit and optimal load distribution. The tooth profile is designed for maximum power transfer, making it suitable for both racing and aggressive riding scenarios.
Features include self-cleaning mud grooves between every tooth to prevent dirt and debris buildup, which helps maintain consistent performance and reduces maintenance needs. The hard anodized surface treatment enhances the sprocket's wear resistance and longevity, even in harsh riding conditions. This sprocket's compatibility with BMW models such as the S1000R, S1000RR, and S1000XR makes it a versatile upgrade for riders seeking improved drivetrain efficiency.
Constructed for durability and lightweight performance, the Renthal rear sprocket is a trusted choice for factory race teams and dedicated enthusiasts alike, ensuring reliable power transmission and sustained performance on the track or trail.

Features:

• CNC machined from 7075 T6 aluminum alloy for strength and lightweight performance

• Approximately 66% lighter than steel, enhancing acceleration and handling

• Precisely manufactured in Renthal's in-house CNC facilities for tight tolerances

• Designed with tooth profiling for maximum power transfer

• Self-cleaning mud grooves between teeth to prevent dirt buildup

• Hard anodized surface treatment for enhanced wear resistance

• Compatible with BMW S1000R, S1000RR, and S1000XR models