Renthal 19+ BMW S1000R/19-23 S1000RR/20+ S1000XR Rear Hard Anodized Sprocket – Part #510U-520-43P-HA

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 19+ BMW S1000R, S1000RR (2019-2023), and S1000XR rear hard anodized sprocket is engineered for high performance and durability in motorsports applications. Crafted from specially enhanced 7075 T6 aluminum alloy, this sprocket offers a weight reduction of approximately 66% compared to traditional steel counterparts, helping to improve overall bike efficiency and acceleration. CNC machined from high-quality materials using precision manufacturing, it ensures an exact fit, optimal concentricity, and even load distribution for maximum power transfer during aggressive riding or racing conditions.
Designed with performance in mind, this sprocket features self-cleaning mud grooves between every tooth. These grooves prevent dirt and debris buildup, maintaining optimal contact and reducing maintenance needs. The surface is treated with a hard anodized finish, providing enhanced wear resistance and longevity, even in harsh riding environments. Whether you're upgrading your factory machine or replacing worn components, this sprocket delivers reliable performance backed by quality craftsmanship.
The Renthal rear sprocket is a perfect choice for riders seeking lightweight, durable, and high-performance drivetrain components. Its compatibility with BMW S1000 series motorcycles makes it suitable for both track and street use. Easy to install and designed to withstand the rigors of competitive motorsports, this sprocket helps ensure your bike remains responsive, efficient, and ready for demanding rides or race days.

Features:

• CNC machined from 7075 T6 aluminum for precise fitment and durability

• 66% lighter than steel, reducing overall bike weight and improving performance

• Self-cleaning mud grooves between teeth prevent dirt buildup

• Hard anodized surface enhances wear resistance and longevity

• Designed specifically for BMW S1000R (2019+), S1000RR (2019-2023), and S1000XR (2020+)