Vortex 405ZK-41 CAT5 Aluminum Rear Sprocket 41T 420 Pitch Black

The Vortex 405ZK-41 CAT5 Aluminum Rear Sprocket delivers lightweight performance and extended durability for mini bikes and small displacement motorcycles. This 41-tooth, 420-pitch sprocket is precision CNC-machined from specially formulated 7075 T6 aluminum alloy, offering significant weight savings over OEM steel sprockets while maintaining exceptional strength.

Key Features:

• 41 teeth with 420 pitch chain compatibility
• CNC-machined from premium 7075 T6 aluminum alloy
• Black anodized finish with silver machined accents
• Patented Vortex tooth design with saber tooth grooves for increased longevity
• Reduced rotating mass improves acceleration and throttle response
• 100% manufactured in the USA

The CAT5 series features Vortex's unique patented sprocket design that maximizes durability while minimizing weight. The saber tooth groove design enhances chain engagement and extends both sprocket and chain life. The black anodized finish provides corrosion resistance and a race-ready appearance with contrasting silver machine cuts that highlight the precision manufacturing.