Vortex 120B-63 525 Rear Sprocket 63-Tooth Silver Aluminum

The Vortex 120B-63 is a 63-tooth, 525-pitch aluminum rear sprocket finished in silver. Designed for road and performance motorcycle applications, this sprocket delivers the precision fitment and durability that Vortex Racing is known for across racing disciplines worldwide.

Key Features:

• 63 teeth — ideal for tuning final drive ratio for acceleration or top-speed performance
• 525 chain pitch — compatible with standard 525 drive chains
• Aluminum construction — lightweight design reduces unsprung rotational mass
• Silver finish — clean, race-ready appearance
• CNC machined — manufactured to tight tolerances for superior concentricity and smooth chain engagement
• Rear sprocket position — direct replacement or performance upgrade for the rear wheel

Vortex Racing has been producing championship-proven drivetrain components for Superbike, AMA Supercross, Motocross, and Road Racing for over 15 years. Each sprocket is precision-manufactured to exacting standards, making the 120B-63 a trusted choice for both track and street riders seeking a performance edge.