Vortex 201EZK-55 Aluminum Rear Sprocket EZK Series Sprockets - 55-Tooth

The Vortex 201EZK-55 is a high-performance 55-tooth aluminum rear sprocket from Vortex Racing's popular EZK (Easy Change Kit) series. Engineered for sport and competition motorcycle applications, this sprocket delivers reliable power transfer with reduced unsprung weight compared to stock steel sprockets.

Vortex sprockets are precision-machined from 7075-T6 billet aluminum and hard anodized for extended wear resistance and corrosion protection. The EZK series features a splined center carrier design that allows quick and easy sprocket swaps without replacing the entire assembly — ideal for racers who need to change gearing between sessions.

Key Features:

• 55-tooth rear sprocket for increased low-end torque and acceleration
• Precision-machined from 7075-T6 billet aluminum for lightweight strength
• Hard anodized finish for improved wear resistance and corrosion protection
• EZK (Easy Change Kit) splined carrier system for rapid gearing changes
• Manufactured to OEM dimensional tolerances for precise fitment
• Compatible with standard motorcycle drive chains

The Vortex 201EZK-55 sprocket is a popular upgrade for riders looking to optimize their bike's gearing for track days, racing, or spirited street riding where enhanced acceleration is desired.