Vortex 525AZK-47 Black 47-Tooth 525-Pitch Aluminum Rear Sprocket

The Vortex 525AZK-47 is a 47-tooth, 525-pitch black anodized aluminum rear sprocket designed for street and performance motorcycle applications. Engineered for riders who demand both reduced rotating mass and track-proven durability, this sprocket is a direct-fit replacement or performance upgrade over heavier OEM steel sprockets.

Key Features:

• 525 Chain Pitch — compatible with standard 525-pitch drive chains
• 47 Teeth — performance tooth count for optimized acceleration and gearing
• Lightweight Aluminum Construction — CNC machined from specially formulated alloy per Vortex specifications for exceptional strength-to-weight ratio
• Black Anodized Finish — corrosion-resistant anodizing provides a durable, aggressive appearance
• Unique Tooth Design — Vortex patented tooth profile increases sprocket longevity and chain life
• 100% CNC Manufactured in the USA — precision machining ensures consistent fit and performance
• Reduces Rotating Mass — lighter than steel sprockets, aiding power delivery and throttle response

Vortex Racing has been producing top-quality motorcycle racing components for Motocross, Supercross, Road Racing, Flat Track, and street applications for over 15 years. Every sprocket is built to the tightest tolerances and tested with feedback from professional race teams worldwide. The 525AZK-47 is an ideal choice for riders looking to fine-tune their gearing with a lightweight, race-grade rear sprocket.