Vortex 251AZUV4-48 Aluminum Rear Sprocket Anodized Sprockets - CAT5 48-Tooth

The Vortex 251AZUV4-48 is a 48-tooth CAT5 aluminum rear sprocket featuring a vibrant anodized finish. Engineered for performance street and track riders, this sprocket is 100% CNC machined in the USA from a specially formulated aerospace-grade aluminum alloy developed to Vortex's exacting specifications.

Key Features:

• 48-Tooth rear sprocket for optimized gearing performance
• Anodized aluminum construction — lightweight and corrosion-resistant
• CAT5 series — Vortex's patented tooth profile designed for extended sprocket and chain life
• 100% CNC machined in the USA for precise tolerances
• Specially formulated alloy per Vortex specifications for maximum strength-to-weight ratio
• Reduces rotating mass to improve throttle response and power transfer
• Unique saber tooth groove design helps shed debris and reduce weight
• Direct OEM-style bolt pattern for straightforward installation

Vortex Racing sprockets are trusted by professional racers and performance enthusiasts worldwide. The anodized finish provides both visual appeal and an added layer of surface protection. This sprocket is a direct replacement or performance upgrade for compatible applications and pairs perfectly with Vortex front sprockets and premium 520-pitch chains.