Supersprox Steel Rear Sprocket, 39 Tooth (RFE-451-39-BLK)

Upgrade your motorcycle’s final-drive system with the SUPERSPROX RFE-451-39-BLK steel rear sprocket. Developed on the race track for dependable performance, this 39-tooth sprocket is engineered for street and off-road applications where durability, precise fit, and consistent power transfer matter. Its steel construction supports extended system life while delivering the reliable performance expected from SUPERSPROX components.
Manufactured using CAD design and CNC laser cutting, the SUPERSPROX RFE-451-39-BLK is produced for an exact fit on the wheel. This precision-focused manufacturing process helps promote smooth chain engagement and dependable operation when riding on pavement, trails, or demanding off-road terrain. The sprocket is built to SUPERSPROX quality standards for riders seeking a practical replacement or performance-oriented drivetrain upgrade.
A proprietary 2XZINK anti-corrosion black finish helps protect the sprocket from exposure to moisture, dirt, and everyday riding conditions while providing a clean factory-style appearance. The black finish complements a wide range of motorcycle designs and maintains the distinctive look associated with SUPERSPROX products. Its lightweight steel construction offers an effective balance of strength and reduced rotating mass, making it one of the lighter steel sprocket options available.
Feature: 39-tooth rear sprocket for dependable final-drive performance. Feature: CAD-designed and CNC laser-cut construction for an exact wheel fit. Feature: Durable steel construction developed for street and off-road use. Feature: 2XZINK anti-corrosion black finish for added protection and factory styling. Feature: Lightweight design helps reduce rotating mass while maintaining strength. Feature: SUPERSPROX quality standards for reliable fit, performance, and long service life.

Features:

• 39-tooth rear sprocket for dependable final-drive performance

• CAD-designed and CNC laser-cut construction for an exact wheel fit

• Durable steel construction developed for street and off-road use

• 2XZINK anti-corrosion black finish for added protection and factory styling

• Lightweight design helps reduce rotating mass while maintaining strength

• SUPERSPROX quality standards for reliable fit, performance, and long service life

Ships from Parts Unlimited.