Vortex 825-47 Silver 47-Tooth Aluminum Rear Sprocket

The Vortex 825-47 is a lightweight aluminum racing rear sprocket featuring 47 teeth and designed specifically for aftermarket wheel applications including Marvic and Galespeed wheels. This precision-engineered sprocket is built to race-quality standards with advanced manufacturing techniques and materials.

Key Features:

• 100% CNC manufactured in the USA from specially formulated 7075 aluminum alloy
• Silver anodized finish to prevent corrosion and provide long-lasting durability
• Patented tooth design increases sprocket longevity beyond standard sprockets
• Lightweight construction reduces rotating mass for improved acceleration and performance
• 530 pitch chain compatibility
• Fits Marvic and Galespeed aftermarket wheels with 100mm bolt circle, 10.5mm bolt holes, 6 bolt pattern, and 80mm hub diameter

Vortex Racing sprockets are trusted by champions and racers worldwide for their exceptional strength-to-weight ratio and durability. The unique tooth profile and precision CNC manufacturing ensure optimal chain engagement and extended service life compared to conventional sprocket designs.