Vortex 312ZR-51 Aluminum Rear Sprocket 51-Tooth ZR Series

The Vortex 312ZR-51 is a high-performance 51-tooth aluminum rear sprocket from Vortex's popular ZR series. Engineered for street and track use, this sprocket delivers a lightweight alternative to OEM steel sprockets without sacrificing strength or durability.

Manufactured from high-strength 7075-T6 aluminum, the ZR series sprocket is precision CNC-machined to exacting tolerances, ensuring smooth chain engagement, consistent power transfer, and long service life. The hard anodized finish resists corrosion and wear while keeping weight to a minimum.

Key Features:

• 51-tooth rear sprocket for increased low-end torque and acceleration
• Precision CNC-machined from 7075-T6 aluminum for maximum strength-to-weight ratio
• Hard anodized finish for superior wear and corrosion resistance
• Compatible with standard 520, 525, or 530 chain (verify fitment for your application)
• Direct OEM-style bolt pattern for straightforward installation
• Available in multiple colors to complement your motorcycle's appearance

The Vortex 312ZR-51 is an ideal upgrade for riders looking to optimize their motorcycle's gearing for track days, aggressive street riding, or competitive racing applications. Vortex Racing is a trusted name in the powersports industry, known for producing sprockets that meet and exceed OEM quality standards.