Vortex 120B-51 Aluminum 51-Tooth Rear Sprocket

The Vortex 120B-51 is a high-performance aluminum rear sprocket designed for motorcycle riders seeking lightweight performance and extended durability. Manufactured by Vortex Racing, a U.S.-based company known for producing top-quality racing components, this 51-tooth rear sprocket delivers optimal power transfer while reducing rotational mass compared to heavier steel alternatives.

Key Features:

• 51-tooth aluminum rear sprocket for precise gear ratio tuning
• Aerospace-grade aluminum construction for strength and weight savings
• Patented tooth design increases sprocket longevity
• Precision-machined to tight tolerances for optimal chain engagement
• Silver anodized finish for corrosion resistance
• Designed for high-performance street, track, and racing applications

Vortex Racing has been a trusted name in motorcycle performance for over 15 years, with products tested by top professional race teams worldwide. Each Vortex sprocket is manufactured with computer-controlled precision to ensure concentricity and perfect alignment, reducing chain wear and maximizing drivetrain efficiency. This sprocket is ideal for riders looking to fine-tune their motorcycle's gearing for improved acceleration or to replace worn factory components with a premium aftermarket upgrade.