Renthal Ultralight Aluminum Rear Sprocket, 49-Tooth Orange (518U-420-49GPOR)

The Renthal 518U-420-49GPOR Limited Edition Hard Anodised Rear Chainwheel combines lightweight performance, precise manufacturing, and distinctive orange styling for select GasGas, Husqvarna, and KTM applications. Designed for riders who demand dependable power transfer and race-proven durability, this 49-tooth aluminum rear sprocket delivers a high-performance upgrade with the exclusivity of a limited-edition finish.
Renthal Ultralight Rear Chainwheels are CNC machined from 7075-T6 aluminum to extremely tight tolerances. The result is a sprocket that is approximately 66% lighter than a comparable steel design, helping reduce unsprung and rotating weight without compromising the strength required for demanding motocross and off-road riding. The hard-anodized orange finish adds corrosion resistance and a distinctive appearance that stands out on the motorcycle.
Feature: Lightweight 7075-T6 aluminum construction helps reduce rotating mass and supports responsive handling.
Feature: 49-tooth rear sprocket configuration supports accurate chain engagement and dependable drivetrain performance.
Feature: CNC-machined design provides precise fitment, concentricity, and consistent load dispersion.
Feature: Computer-engineered tooth profiling is designed to promote maximum power transfer and smooth chain operation.
Feature: Limited Edition hard-anodized orange finish offers a distinctive appearance inspired by Renthal race equipment.
Tested and used by top Renthal riders, including during the Monster Energy Supercross Series, the Renthal 518U-420-49GPOR is built for serious performance. Its carefully engineered profile and precise manufacturing help maintain consistent chain alignment and efficient power delivery, making it a strong choice for riders upgrading their GasGas, Husqvarna, or KTM drivetrain with a race-focused rear sprocket.

Features:

• Lightweight 7075-T6 aluminum construction reduces rotating mass

• 49-tooth rear sprocket configuration

• CNC-machined for precise fitment and concentricity

• Engineered tooth profile promotes efficient power transfer

• Hard-anodized orange limited-edition finish

• Designed for select GasGas, Husqvarna, and KTM applications

Ships from Parts Unlimited.