Vortex 438AV4-46 VTX Aluminum Rear Sprocket Pitch Sprockets - 46-Tooth 428 Silver

The Vortex 438AV4-46 is a 46-tooth, 428-pitch aluminum rear sprocket built to the exacting standards that have made Vortex the benchmark in motorcycle racing drivetrain components. Designed for riders who demand both performance and durability, this sprocket delivers measurable improvements in throttle response, acceleration, and overall drivetrain efficiency.

Key Features:

• 46 Teeth, 428 Pitch — Precision-matched to 428-pitch chain applications
• 7075-T6 Billet Aluminum Construction — Specially formulated alloy per Vortex specifications for an exceptional strength-to-weight ratio
• 100% CNC Manufactured in the USA — Machined to the tightest tolerances for consistent, reliable performance
• Lightweight Design — Reduced rotating mass improves acceleration, deceleration, and directional changes
• Silver Anodized Finish — Corrosion-resistant anodizing protects the aluminum surface and maintains appearance over time
• Vortex Patented Tooth Design — Unique tooth geometry increases sprocket longevity and reduces chain wear
• Race-Proven Performance — Trusted by professional race teams and champions worldwide

Vortex Racing has been the standard in the race industry for over 15 years, designing and manufacturing motorcycle racing components for Motocross, Supercross, Road Racing, Flat Track, and more. The 438AV4-46 rear sprocket is a direct bolt-on upgrade from your stock steel sprocket, offering significant weight savings without sacrificing strength or reliability.