Vortex 435CZKV4-46 CAT5 V4 Aluminum Rear Sprocket 520 Pitch 46-Tooth

The Vortex 435CZKV4-46 is a CAT5 V4 aluminum rear sprocket built for riders who demand race-proven drivetrain performance. Part of Vortex Racing's updated V4 design generation, this sprocket delivers a 10–15% weight reduction over the original CAT5 without sacrificing structural integrity, thanks to a refined cutout pattern with machined faces on both sides.

Key Features:

• 520 pitch chain compatibility — 46 teeth
• CAT5 V4 design: optimized cutout pattern reduces weight while maintaining strength
• Lightweight aerospace-grade aluminum construction per Vortex specifications
• 100% CNC machined in the USA for precise concentricity and tight tolerances
• Anodized finish resists corrosion and adds a distinct, race-inspired appearance
• Vortex patented tooth profile for smooth chain engagement and extended sprocket life
• Available with contrasting silver machine-cut highlights

The Vortex CAT5 V4 sprocket is an ideal upgrade from a heavy OEM steel rear sprocket. Reducing rotating mass at the rear wheel translates directly into improved acceleration response. Precision CNC manufacturing ensures a perfectly concentric sprocket every time, reducing drivetrain friction and extending the service life of both the chain and sprocket.