Vortex 614ZK-55 Steel Black Rear Sprocket 55-Tooth

The Vortex 614ZK-55 is a 55-tooth steel rear sprocket finished in black, engineered to Vortex Racing's exacting standards for street and performance motorcycle applications. Built from high-grade carbon steel alloy per Vortex specifications, this sprocket delivers the durability and longevity demanded by aggressive riders.

Key Features:

• 55-Tooth rear sprocket — ideal for tuning acceleration and low-end torque
• Steel construction — carbon steel alloy for superior strength and wear resistance
• Black finish — electro-plated satin black coating to prevent corrosion
• Vortex patented tooth profile — unique tooth geometry designed to extend sprocket service life
• Precision manufactured — consistent dimensions for smooth chain engagement and reduced drivetrain wear
• Direct bolt-on replacement — no modifications required

The 614ZK-55 is part of Vortex Racing's comprehensive rear sprocket lineup, offering riders the ability to fine-tune their gear ratios for improved acceleration and throttle response. A 55-tooth rear sprocket increases the overall drive ratio compared to stock, delivering more aggressive low-end pull — a popular choice for stunt riding and performance street applications.