Vortex 254ZR-39 Aluminum Rear Sprocket 520 Pitch 39-Tooth

The Vortex 254ZR-39 is a lightweight aluminum rear sprocket designed for performance-oriented motorcycle riders who demand reduced rotating mass and improved drivetrain efficiency. Featuring a 39-tooth count and 520 pitch, this sprocket is 100% CNC-machined in the USA to precise tolerances.

Key Features:

• Lightweight aluminum construction — significantly reduces rotating mass compared to OEM steel sprockets for improved acceleration and handling
• 520 pitch — compatible with standard 520 chain applications
• 39-tooth rear sprocket — tuned gearing for optimized power delivery
• Specially formulated alloy per Vortex specifications for maximum strength-to-weight ratio
• Unique patented tooth design — increases sprocket longevity and chain engagement
• 100% CNC manufactured in the USA — precise machining ensures consistent quality and fit
• Anodized finish for corrosion resistance and a clean appearance

The Vortex 254ZR-39 rear sprocket is an ideal upgrade for racers and performance riders looking to fine-tune their gearing setup. Vortex sprockets are trusted by professional and amateur racers alike for their durability, precision, and weight savings over stock components.