Vortex 525AZB-41 CAT5 Aluminum Rear Sprocket 525 Pitch 41-Tooth Black

The Vortex 525AZB-41 is a CAT5 aluminum rear sprocket designed for motorcycles running a 525 pitch chain. Featuring 41 teeth and a satin black anodized finish, this sprocket delivers the ideal combination of lightweight performance and proven durability demanded by serious street and track riders.

Machined from 7075 T6 high-grade aluminum using Vortex's specially formulated alloy, this sprocket is 100% CNC manufactured in the USA to the tightest tolerances. The CAT5 anodized black finish provides excellent corrosion resistance, while Vortex's patented unique tooth profile promotes extended sprocket life even under aggressive riding conditions.

Key Features:

• 525 pitch — compatible with standard 525 drive chains
• 41-tooth rear sprocket for stock or tuned gearing configurations
• Lightweight 7075 T6 CAT5 aluminum construction reduces unsprung rotating mass
• 100% CNC manufactured in the USA to precision tolerances
• Specially formulated alloy per Vortex specifications for superior strength-to-weight ratio
• Black anodized finish with contrasting silver machine cuts for corrosion resistance and aesthetic appeal
• Vortex patented tooth design increases longevity and reduces chain wear
• Direct OEM-replacement fit — no modifications required

The Vortex 525AZB-41 is the go-to upgrade for riders seeking a lighter, longer-lasting alternative to steel rear sprockets without sacrificing power transfer or reliability.