Vortex 825ZR-37 Steel Rear Sprocket Chain Pitch Sprockets - 37-Tooth 825

The Vortex 825ZR-37 is a 37-tooth steel rear sprocket designed for the 825 chain pitch. Built to Vortex Racing's exacting standards, this sprocket is engineered for riders who demand durability and consistent performance in both street and competition environments.

Key Features:

• 37-tooth rear sprocket for 825-pitch chain applications
• Carbon steel alloy formulated to Vortex specifications for strength and longevity
• Unique patented tooth design increases sprocket life compared to conventional profiles
• Corrosion-resistant finish — silver anodized or electro-plated satin black to protect against rust and wear
• 100% CNC manufactured in the USA for precise tolerances and concentric fit
• Vortex patented sprocket design offers superior chain engagement and reduced wear

Vortex Racing rear sprockets are a trusted choice among motorcycle enthusiasts and racers alike. The steel construction of the 825ZR series provides added durability over aluminum alternatives, making it well-suited for high-stress applications. Proper chain pitch matching (825) is required — always replace the front sprocket and chain simultaneously for optimal performance and longevity.