Vortex 825A-47 Aluminum Rear Sprocket 520 Pitch 47 Tooth Silver

The Vortex 825A-47 is a lightweight aluminum rear sprocket engineered specifically for aftermarket racing wheels including Marvic and Galespeed applications. This 520-pitch, 47-tooth sprocket delivers the precision and durability demanded by serious riders and racers.

Key Features:

• 100% CNC manufactured in the USA from specially formulated aluminum alloy
• 520 chain pitch with 47 teeth for optimized gearing
• Fits aftermarket wheels with 100mm bolt circle, 10.5mm bolt holes, 6-bolt pattern, and 80mm hub diameter
• Silver anodized finish to prevent corrosion
• Unique Vortex patented tooth design increases sprocket longevity
• Lightening holes reduce rotating mass for improved acceleration
• Precision-engineered for concentricity and smooth operation

Vortex Racing sprockets are the choice of professional racers worldwide, offering the perfect balance of light weight and exceptional strength. The reduced rotating mass helps put more power to the pavement while maintaining the durability needed for high-performance applications.