Vortex 313ZR-52 Aluminum 52-Tooth Rear Sprocket

The Vortex 313ZR-52 is a 52-tooth aluminum rear sprocket engineered for motorcycle riders who demand precision gearing and reduced rotating mass. Built to Vortex's exacting standards, this sprocket is 100% CNC-manufactured in the USA from a specially formulated aluminum alloy, delivering a lightweight performance upgrade over stock steel sprockets.

Key Features:

• 52-tooth rear sprocket — ideal for increased low-end torque and quicker acceleration
• Lightweight aluminum construction reduces rotating mass for improved throttle response
• 100% CNC machined in the USA to precise tolerances for concentric fit and quiet operation
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Vortex patented tooth design increases sprocket longevity and chain engagement
• Anodized finish provides corrosion resistance and long-lasting appearance
• Direct bolt-on replacement using the 313 carrier bolt pattern — no modifications required

The 313ZR-52 is part of Vortex Racing's ZR series aluminum rear sprocket lineup, a trusted choice among performance street and track riders. Pairing this sprocket with a matching front sprocket and fresh chain ensures even wear and maximum drivetrain efficiency. Always replace the chain and both sprockets as a set for best results.