Vortex 841AZK-42 Rear Sprocket Aluminum Anodized Sprockets - 42-Tooth

The Vortex 841AZK-42 is a high-performance 42-tooth aluminum rear sprocket engineered for sport and racing motorcycle applications. Manufactured from lightweight, aircraft-grade aluminum alloy and finished with a durable anodized coating, this sprocket delivers an ideal balance of strength, weight savings, and longevity on the track or street.

Key Features:

• 42-tooth rear sprocket for optimized final drive ratio tuning
• Lightweight aluminum construction reduces unsprung and rotating mass for improved throttle response and acceleration
• Hard anodized finish provides corrosion resistance and extended service life
• CNC machined to tight tolerances for precise chain engagement and smooth power delivery
• Direct OEM-style fitment — no modifications required for compatible applications
• Designed to work with standard motorcycle drive chains on compatible platforms

The Vortex 841AZK-42 is an excellent upgrade for riders seeking to fine-tune gearing for acceleration, top speed, or corner exit performance. Vortex sprockets are a trusted choice among racers and performance enthusiasts worldwide.