Vortex 641AZB-53 Aluminum Rear Sprocket 53-Tooth Black Anodized

The Vortex 641AZB-53 is a 53-tooth black anodized aluminum rear sprocket engineered for performance motorcycle riders who demand lightweight precision gearing. CNC-machined 100% in the USA from a specially formulated aluminum alloy, this sprocket delivers a meaningful reduction in rotating mass compared to stock steel sprockets, helping transfer more power to the pavement.

Key Features:

• 53-tooth rear sprocket — ideal for tuning acceleration and low-end torque
• Lightweight aluminum construction — reduces rotating mass for improved throttle response and power transfer
• Black anodized finish — corrosion-resistant anodizing with contrasting silver machined accent cuts for a premium look
• 100% CNC manufactured in the USA — tight tolerances ensure smooth chain engagement and long service life
• Specially formulated alloy — engineered to Vortex's proprietary specifications for optimal strength-to-weight ratio
• Vortex patented tooth design — unique tooth profile increases sprocket longevity and reduces chain wear
• Fits standard sprocket carrier bolt pattern for applicable models

Vortex Racing has been a trusted name in motorcycle drivetrain components for decades, supplying sprockets to both professional racers and street riders. The 641AZB-53 is part of the 641 series rear sprocket family, compatible with specific motorcycle models — consult fitment data to confirm application. Whether upgrading for the track or the street, this sprocket provides a reliable, high-quality alternative to OEM gearing.