Vortex 641AZR-45 Aluminum Rear Sprocket 45 Tooth

The Vortex 641AZR-45 is a high-performance aluminum rear sprocket designed for serious motorcycle enthusiasts seeking the perfect balance of strength and lightweight performance. Precision-machined from 7075-T6 aircraft-grade aluminum, this sprocket delivers exceptional durability while reducing rotating mass compared to steel alternatives.

Key Features:

• 45-tooth configuration for optimized gearing ratios
• 7075-T6 aircraft-grade aluminum construction for superior strength-to-weight ratio
• CNC-machined for precise tooth profiles and smooth chain engagement
• Hard-anodized finish for enhanced wear resistance and corrosion protection
• Lighter weight than steel sprockets reduces unsprung mass and improves acceleration
• Compatible with 520 pitch chains

Vortex sprockets are engineered to meet the demanding requirements of track and street riding, offering consistent performance and extended service life. The aluminum construction makes this sprocket ideal for racers looking to reduce weight without sacrificing reliability.