Vortex 337C-61 Aluminum Rear Sprocket 525 Pitch 61-Tooth

The Vortex 337C-61 is a 61-tooth aluminum rear sprocket designed for high-performance motorcycle applications. Engineered to Vortex's exacting standards, this sprocket delivers a compelling combination of reduced rotating mass and exceptional durability — the hallmarks of Vortex Racing's USA-made sprocket lineup.

Key Features:

• 61 teeth — optimized for aggressive gear ratio tuning
• 525 pitch chain compatibility (337C series)
• Precision CNC-machined from a specially formulated aluminum alloy per Vortex specifications
• Lightweight design reduces rotating mass for improved acceleration and throttle response
• Lightening holes further reduce overall weight without sacrificing structural integrity
• Vortex patented tooth profile engineered to increase sprocket longevity and minimize chain wear
• Anodized finish for corrosion resistance and a clean, race-ready appearance
• 100% manufactured in the USA

Vortex Racing has been producing top-quality motorcycle drivetrain components for road racing, Supercross, Motocross, and flat track for over 15 years. Every sprocket is precision machined to tight tolerances and validated through direct feedback from professional race teams worldwide. The 337C-61 is a direct-fit replacement or performance upgrade over heavier OEM steel sprockets.