Moto-Master 7075-T6 Aluminum Rear Sprocket, 47-Tooth Blue, MX 85 (620182447)

Upgrade the final drive performance of your MX 85 with the MOTO-MASTER 7075-T6 Aluminum Rear Sprocket, Part 620182447. Designed for motocross applications, this 47-tooth rear sprocket delivers a dependable balance of strength, reduced rotating weight, and race-ready performance. Its blue anodized finish adds durable surface protection while providing a clean, distinctive appearance.
The sprocket is manufactured from aircraft-grade 7075-T6 aluminum and CAD designed for an optimized strength-to-weight ratio. CNC machining with advanced production technology helps ensure precise tooth geometry and consistent fitment. As one of the lightest sprocket designs available, it helps minimize unsprung and rotating mass without compromising the durability required for demanding track conditions.
Self-cleaning grooves between each tooth help prevent mud buildup, supporting smooth chain engagement in wet or muddy environments. The race-proven design is made in the Netherlands and built to meet the performance expectations of serious riders. Confirm motorcycle fitment and drivetrain specifications before installation, and replace the chain and sprockets as a matched set when wear is present.

Features:

• Aircraft-grade 7075-T6 aluminum construction for a strong, lightweight design

• 47-tooth rear sprocket configuration for MX 85 applications

• Self-cleaning grooves between each tooth help prevent mud buildup

• One of the lightest sprocket designs on the market to reduce rotating weight

• Blue anodized coating helps improve surface durability

• Race-proven design with an optimized strength-to-weight ratio

• CAD designed and CNC machined for precise tooth geometry

• Made in the Netherlands

Ships from Parts Unlimited.