Vortex 248C-45 520 45-Tooth Aluminum Rear Sprocket Silver

The Vortex 248C-45 is a 45-tooth, 520-pitch aluminum rear sprocket engineered for performance-oriented street and track riders. 100% CNC-machined in the USA, this sprocket is built to exacting tolerances for consistent, reliable power transfer from your drivetrain to the rear wheel.

Key Features:

• 45 teeth — optimized for improved low-end torque and acceleration response
• 520 chain pitch compatibility for use with standard and conversion 520 drivetrains
• Lightweight aerospace-grade aluminum construction reduces rotating mass for improved throttle response
• 100% CNC manufactured in the USA to Vortex's precise specifications
• Silver anodized clear-coat finish helps resist corrosion and oxidation
• Vortex's patented unique tooth profile design promotes extended sprocket longevity
• Direct bolt-on replacement — no modifications required for compatible applications

Upgrading to a 45-tooth rear sprocket compared to a lower tooth-count stock sprocket sharpens low-end pull and improves acceleration, making it an ideal choice for riders looking to fine-tune their gear ratio. Pair with a compatible Vortex front sprocket and 520-pitch chain for a complete drivetrain upgrade.