Vortex 253CZB-51 520 Steel Rear Sprocket 51-Tooth Satin Black

The Vortex 253CZB-51 is a 51-tooth, 520-pitch steel rear sprocket finished in an electro-plated satin black coating for corrosion resistance. Engineered for powersports and motorcycle applications, this sprocket delivers the durability and longevity that steel construction is known for, making it an ideal choice for street, off-road, and track use.

Key Features:

• 51 Teeth — provides gear ratio tuning for increased low-end torque and acceleration
• 520 Chain Pitch — compatible with standard 520-pitch drive chains
• Carbon Steel Construction — laser-cut from high-quality carbon steel alloy per Vortex specifications
• Electro-Plated Satin Black Finish — corrosion-resistant coating for long-lasting appearance and performance
• Hardened Teeth — heat-treated for increased wear resistance and extended service life
• Lightening Cutouts — strategically placed to reduce unnecessary rotating mass
• Vortex Patented Tooth Profile — unique tooth geometry promotes smooth chain engagement and longer sprocket life
• USA Manufactured — made to tight tolerances by Vortex Racing, a U.S.-based leader in motorcycle racing components

Vortex Racing rear steel sprockets are a proven choice for riders who demand reliable, track-tested performance. The satin black finish and precision construction make this a direct OEM-style replacement or performance upgrade sprocket.