Vortex 775A-47 Silver Aluminum Rear Drive Sprocket 520 Chain 47-Tooth

The Vortex 775A-47 is a 47-tooth silver anodized aluminum rear drive sprocket designed for high-performance motorcycle racing and street applications using a 520 chain pitch. Engineered by Vortex Racing — a trusted name in motorsports components — this sprocket delivers the precision fitment and durability demanded on the track and the street.

Key Features:

• 47-Tooth rear sprocket configuration for optimized gearing ratios
• 520 chain pitch compatibility — a popular choice for lightweight race-conversion setups
• Silver anodized aluminum construction for reduced unsprung weight and corrosion resistance
• CNC-machined to tight tolerances for smooth, consistent chain engagement
• Hard anodized tooth flanks for extended wear life under racing conditions
• Lightweight aluminum construction reduces rotating mass for improved throttle response and acceleration

The Vortex 775A series sprockets are a staple in club racing and track day paddocks, offering an ideal balance of strength and weight savings. Whether upgrading from a stock steel sprocket or fine-tuning your gearing for a specific circuit, the Vortex 775A-47 is a direct-fit, race-proven solution.