Moto-Master 7075 Aluminum Rear Sprocket, 51-Tooth Blue, MX 85 (620182451)

Upgrade your MX 85 drivetrain with the MOTO-MASTER 7075 Aluminum Rear Sprocket, Part 620182451. Designed for motocross performance, this 51-tooth sprocket is manufactured from aircraft-grade 7075-T6 aluminum to deliver an excellent balance of strength, durability, and reduced weight. Its blue anodized finish adds a durable protective surface while providing a clean, race-ready appearance.
The race-proven design uses self-cleaning grooves between each tooth to help prevent mud buildup during demanding riding conditions. This feature supports consistent chain engagement and helps maintain drivetrain performance when the track becomes wet, muddy, or abrasive. The sprocket is engineered with an optimal strength-to-weight ratio, making it an ideal choice for riders seeking responsive handling and dependable power transfer.
MOTO-MASTER CAD designs and CNC machines each sprocket using state-of-the-art technology for accurate tooth profiles and reliable fitment. Made in the Netherlands, the 620182451 rear sprocket reflects the brand’s focus on precision manufacturing and competition-ready performance. Verify your motorcycle’s model and required tooth count before installation to ensure proper compatibility.

Features:

• Aircraft-grade 7075-T6 aluminum construction for high strength and reduced weight

• 51-tooth rear sprocket designed for MX 85 applications

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

• Blue anodized coating provides added surface durability

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

• CAD designed and CNC machined for precision

• Made in the Netherlands

Ships from Parts Unlimited.