Vortex 630-51 Silver 51-Tooth 420 Aluminum Rear Sprocket

The Vortex 630-51 is a 51-tooth, 420-pitch aluminum rear sprocket finished in silver anodizing. Engineered for small-displacement motorcycles and powersports applications, this sprocket delivers race-proven performance in a lightweight, durable package.

Key Features:

• 51-tooth rear sprocket for tunable gearing and acceleration
• 420 chain pitch compatibility for small-bore motorcycle applications
• Lightweight aluminum construction — reduces rotating mass compared to steel
• CNC machined 100% in the USA to exacting tolerances for concentricity and durability
• Specially formulated alloy developed to Vortex's proprietary specifications
• Silver anodized finish provides corrosion resistance and a clean appearance
• Patented Vortex tooth profile designed to extend sprocket and chain life
• Lightening holes reduce overall rotating mass

The Vortex 630-51 is a direct-fit replacement sprocket ideal for riders seeking improved low-end torque and acceleration response. Part number 630-51 is also referenced as VTX630-51.