Vortex 454ZK-41 CAT5 Aluminum Rear Sprocket 525 Pitch 41 Tooth

The Vortex 454ZK-41 is a CAT5 aluminum rear drive sprocket featuring a 525 pitch chain compatibility and 41 teeth. Designed for performance-minded riders, this sprocket delivers an optimal balance of reduced rotating mass and drivetrain efficiency.

Key Features:

• Lightweight CAT5 aluminum construction — reduces rotating mass for improved throttle response and power delivery
• 100% CNC machined in the USA — precision-manufactured to exacting tolerances
• Specially formulated alloy per Vortex specifications for superior strength-to-weight ratio
• Vortex patented saber tooth groove design — unique tooth profile increases sprocket longevity
• Black anodized finish with contrasting silver machine cuts for a premium appearance
• 525 pitch — compatible with 525-pitch drive chains
• 41 teeth — stock-equivalent gearing for balanced acceleration and top speed

The 454ZK sprocket pattern is designed for the Kawasaki ZX-10R (all years) running a 525 pitch chain. Manufactured entirely in the United States, the Vortex CAT5 rear sprocket is a proven choice for both street and track use, offering a direct OEM-style replacement with measurable performance benefits over heavier stock units.