Vortex 525C-39 CAT5 Aluminum Rear Sprocket 525 Pitch 39T Black

The Vortex 525C-39 is a CAT5 aluminum rear sprocket featuring a 525 chain pitch and 39-tooth count in a black anodized finish. Engineered for riders who demand performance without sacrificing durability, this sprocket delivers a significant weight reduction over OEM steel units, resulting in reduced rotating mass for improved acceleration and handling response.

Key Features:

• CAT5 Lightweight Aluminum Construction — Manufactured from a specially formulated, high-grade alloy per Vortex specifications for an optimal strength-to-weight ratio
• 100% CNC Machined in the U.S.A. — Machined to the tightest tolerances for precise chain engagement and long service life
• Saber Tooth Groove Design — Vortex's patented tooth profile increases sprocket longevity and promotes efficient power transfer
• Black Color Anodized Finish — Bold color anodizing with contrasting silver machine cuts on the sweeps, mud grooves, and teeth for a distinctive race-ready look
• 525 Pitch Compatibility — Designed for use with standard 525 pitch drive chains
• 39-Tooth Rear Sprocket — Offers a stock or performance-oriented gear ratio depending on application

Vortex Racing is a U.S.-based manufacturer trusted by professional race teams across Motocross, Supercross, Road Racing, and Flat Track disciplines. Each component is built to race-level standards and proven on the track at the highest levels of competition.