Vortex 255AZR-42 525-Pitch Aluminum Rear Sprocket 42-Tooth Silver

The Vortex 255AZR-42 is a 42-tooth, 525-pitch aluminum rear sprocket engineered for motorcycle road racing, track days, and high-performance street use. Manufactured in the USA by Vortex Racing, this sprocket is machined from a specially formulated aerospace-grade aluminum alloy and finished with a silver anodized coating to resist corrosion and maintain appearance under demanding conditions.

Key Features:

• 42-Tooth / 525 Pitch — Direct replacement or performance upgrade for 525-chain applications
• 100% CNC Machined — Precision-manufactured in the USA to the tightest tolerances
• Aerospace-Grade Aluminum Alloy — Specially formulated per Vortex specifications for optimal strength-to-weight ratio
• Silver Anodized Finish — Provides corrosion resistance and a clean, race-ready appearance
• Vortex Patented Tooth Design — Unique geometry extends sprocket longevity and promotes smooth chain engagement
• Lightweight Construction — Reduces rotating mass for improved throttle response and acceleration

Vortex Racing sprockets are trusted by professional race teams and top championship riders worldwide. Each component is built to meet the rigorous demands of Motocross, Supercross, Road Racing, and Flat Track competition. The 255AZR-42 rear sprocket is an excellent choice for riders seeking a durable, lightweight 525-pitch rear sprocket with proven race pedigree.