Vortex 715ZR-55 Aluminum Rear Sprocket 520 Pitch 55-Tooth Silver

The Vortex 715ZR-55 is a 55-tooth, 520-pitch aluminum rear sprocket engineered for performance street and track riders who demand lightweight precision drivetrain components. Built to Vortex Racing's exacting standards, this sprocket is 100% CNC-machined in the USA from aerospace-grade 7075-T6 aluminum, delivering an ideal balance of strength and reduced rotating mass.

Key Features:

• 55-tooth, 520 chain pitch rear sprocket for aggressive gear ratio tuning
• Manufactured from 7075-T6 aerospace-grade aluminum for maximum strength-to-weight ratio
• 100% CNC-machined in the USA for precise fit and finish
• Silver finish — Vortex's standard finish for 55-tooth and larger sprockets
• Reduces rotating mass compared to stock steel sprockets, improving throttle response and acceleration
• Engineered for street, track, and stunt applications

Vortex Racing rear sprockets are a trusted choice among performance riders and racers seeking to fine-tune their gear ratios and shed unnecessary drivetrain weight. The 715ZR-55 fits the 715-series sprocket carrier pattern — always verify fitment using the Vortex sprocket builder or your vehicle's chain pitch and bolt pattern specifications before ordering.