Vortex 165ZR-42 CAT5 Aluminum Rear Sprocket 42-Tooth

The Vortex 165ZR-42 is a high-performance CAT5 aluminum rear sprocket featuring 42 teeth. This lightweight racing sprocket offers a premium alternative to heavy stock steel sprockets, delivering significant weight reduction to improve acceleration and handling performance.

Key Features:

• Lightweight CAT5 aluminum construction for maximum strength-to-weight ratio
• 42-tooth configuration for gearing customization
• 100% CNC manufactured in the U.S.A. for precision fitment
• Specially formulated alloy per Vortex specifications
• Saber tooth grooves with unique tooth design increases sprocket longevity
• Color anodized finish with contrasting silver machine cuts
• Vortex patented sprocket design for superior durability

Vortex CAT5 sprockets are precision-engineered to considerably reduce rotating mass while providing excellent durability. The unique tooth profile and saber tooth grooves extend service life beyond conventional sprockets, making this an ideal upgrade for sport riding and racing applications.