Vortex 125-63 Silver 63-Tooth Rear Sprocket

The Vortex 125-63 is a lightweight standard aluminum racing sprocket manufactured from specially formulated alloy to Vortex specifications. This 63-tooth rear sprocket delivers exceptional performance and durability for street and racing applications.

Key Features:

• 100 percent CNC manufactured in the USA
• Silver anodized finish to prevent corrosion
• Unique tooth design increases sprocket longevity
• Vortex patented sprocket design is unlike any other sprocket
• Lightweight aluminum construction for reduced rotating mass

The Vortex aluminum sprocket provides significant weight savings over steel counterparts while maintaining the strength required for high-performance applications. All Vortex aluminum sprockets have a finish applied, with standard silver sprockets featuring a clear coating to help prevent oxidation.

Maintenance Note: Aluminum sprockets are very sensitive to chain cleanliness and tension, so bikes with aluminum sprockets should have the chain cleaned and tensioned every 300-400 miles for optimal performance and longevity.