Vortex 251AZBV4-47 Aluminum Rear Sprocket Chain Sprockets - CAT5 520 47-Tooth Blue

The Vortex 251AZBV4-47 is a CAT5 aluminum rear sprocket featuring 47 teeth for 520 pitch chain, finished in a striking blue anodized color with contrasting silver machined accents. Designed for Honda V4 platform applications, this sprocket delivers race-proven performance for both track and street use.

Key Features:

• 47-Tooth / 520 Pitch — compatible with 520 chain for optimal power transfer
• CAT5 Design — Vortex patented sprocket design with unique tooth geometry for increased longevity
• CNC Machined — 100% CNC manufactured in the USA from specially formulated aluminum alloy per Vortex specifications
• Blue Anodized Finish — vibrant blue anodize with contrasting silver machine-cut accents
• Lightweight Construction — reduces rotating mass to improve throttle response and acceleration
• Trusted by Champions — used at the highest levels of motorcycle road racing

The Vortex CAT5 rear sprocket is the standard in the racing industry, combining ultra-light weight with exceptional strength and durability. The specially formulated alloy and precision CNC machining result in a sprocket that stays cleaner and lasts longer than conventional alternatives.