Vortex 610ZR-42 520 42-Tooth Red Aluminum Rear Sprocket

The Vortex 610ZR-42 is a 520-pitch, 42-tooth CAT5 aluminum rear sprocket finished in a striking red anodize with silver-machined accents. Engineered for street and track riders who demand lightweight precision, this sprocket is 100% CNC-machined in the USA from a specially formulated aluminum alloy developed to Vortex's exact specifications.

Key Features:

• Lightweight CAT5 aluminum construction reduces rotating mass for improved throttle response and acceleration
• 520 chain pitch compatible with standard 520 motorcycle drive chains
• 42-tooth rear sprocket for precise gearing tuning
• Red anodized finish with silver-machined highlights for corrosion resistance and visual appeal
• 100% CNC manufactured in the USA to ensure concentricity and dimensional accuracy
• Vortex patented tooth profile engineered to extend sprocket and chain longevity
• Precision-drilled and lightened for maximum weight savings

Vortex rear sprockets are a trusted choice among racers and performance street riders for their unmatched quality and consistency. Replacing your sprocket as part of a complete chain and sprocket service is recommended for optimal drivetrain life and performance.