Vortex 313ZR-53 Red 53-Tooth 520-Pitch Aluminum Rear Sprocket

The Vortex 313ZR-53 is a 53-tooth, 520-pitch aluminum rear sprocket finished in a striking red anodized coating. Engineered for performance-minded riders, this sprocket is precision-machined from a specially formulated aluminum alloy to deliver a lightweight, durable upgrade over stock steel sprockets.

Key Features:

• 53 Teeth — optimized tooth count for increased low-end torque and acceleration
• 520 Pitch — compatible with 520-series chain setups and 520 conversion builds
• Red Anodized Finish — CAT5 anodized for corrosion resistance and a premium appearance
• Lightweight Aluminum Construction — reduces rotating mass for improved throttle response
• 100% CNC Machined — manufactured in the USA to precise tolerances for concentric, consistent fitment
• Vortex Patented Tooth Design — unique saber-tooth groove profile extends sprocket longevity
• Specially Formulated Alloy — material blend developed to Vortex's proprietary specifications

The 313ZR-53 rear sprocket is a direct-fit performance replacement designed for use with a matching 520-pitch front sprocket and chain. Whether used as an OEM-pitch replacement or as part of a 520 conversion, this sprocket delivers the precision and reliability that Vortex Racing is known for on both the street and track.