Vortex 642A-53 Aluminum Rear Sprocket 520 Pitch 53-Tooth Silver

The Vortex 642A-53 is a 53-tooth, 520-pitch aluminum rear sprocket finished in silver, engineered for performance street and track riders who demand lightweight precision drivetrain components. CNC machined in the USA from 7075-T6 aerospace-grade billet aluminum, this sprocket delivers an exceptional strength-to-weight ratio over comparable steel units.

Key Features:

• 53 teeth — ideal for increasing low-end acceleration and torque feel
• 520 chain pitch compatibility for popular sport and sport-touring applications
• 100% CNC machined to precise tolerances for true concentricity and smooth, vibration-free operation
• Machined from 7075-T6 aerospace aluminum for superior durability at reduced weight
• Vortex saber tooth groove design for optimized chain engagement and reduced wear
• Lightening holes reduce rotating mass for improved throttle response
• Available in a silver anodized finish for corrosion resistance and lasting appearance
• Made in the USA to Vortex Racing's exacting specifications

Vortex Racing aluminum rear sprockets are a top choice among both weekend track riders and professional racers. The 642A-53 is a direct-fit replacement and performance upgrade, reducing unsprung rotating mass for sharper acceleration response. Always verify fitment with your specific motorcycle model before installation.