Vortex 512-51 Silver 51-Tooth Aluminum Rear Sprocket

The Vortex 512-51 is a silver anodized 51-tooth aluminum rear sprocket engineered for motorcycle road racing, motocross, supercross, and street performance applications. Manufactured by U.S.-based Vortex Racing, this sprocket is built to the tightest tolerances using premium materials trusted by professional race teams worldwide.

Vortex rear sprockets are 100% CNC machined from lightweight aluminum and feature the brand's patented saber tooth groove design, which promotes superior chain engagement and extends sprocket service life. The silver anodized finish (Cat 5 anodize) provides a bright, durable surface that resists corrosion and wear.

Key Features:

• 51-tooth rear sprocket for increased low-end torque and acceleration
• 100% CNC machined aluminum construction for precise concentricity and consistent fitment
• Vortex patented saber tooth groove design for unique chain engagement and extended longevity
• Silver anodized finish (Cat 5) for corrosion resistance and a clean appearance
• Lightening holes reduce rotating mass for improved throttle response
• Available in PTFE black hardcoat option on select variants — bonds to aluminum for added durability and reduced friction
• Tested and validated by top professional race teams worldwide

Vortex Racing has been a trusted name in motorcycle performance components for over 15 years, producing parts for Motocross, Supercross, Road Racing, Flat Track, and Minibike disciplines. The 512-51 rear sprocket delivers race-proven performance in a lightweight package suitable for both track and street use.