Vortex 641A-54 Aluminum Rear Sprocket 54T

The Vortex 641A-54 is a high-performance 54-tooth aluminum rear sprocket designed for competitive motorcycle applications. Precision-CNC-machined from lightweight 7075-T6 aluminum alloy, this sprocket delivers an excellent strength-to-weight ratio while reducing unsprung rotational mass — a critical advantage on the track and the street.

Key Features:

• 54 Teeth — provides increased acceleration and low-end torque response
• 7075-T6 Aluminum Construction — lightweight yet durable for performance riding
• Hard-Anodized Finish — resists corrosion and wear for extended service life
• CNC Precision Machined — tight tolerances ensure smooth, consistent chain engagement
• Direct OEM Replacement Fit — bolt-on installation with no modifications required
• Vortex Racing Quality — manufactured to meet the demands of track day and racing use

The 641A series sprockets are engineered for riders who demand precision and performance. Whether you're fine-tuning your gearing for a specific circuit or upgrading from a stock steel sprocket to shed weight, the Vortex 641A-54 is a proven choice trusted by racers worldwide. Always pair with a quality chain and front sprocket for optimal drivetrain performance.