Vortex 642A-54 Aluminum Rear Sprocket 520 Pitch 54 Tooth Silver

The Vortex 642A-54 is a high-performance aluminum rear sprocket designed for 520 chain conversion applications on sport motorcycles. Manufactured from premium 7075 T6 billet aluminum, this sprocket delivers exceptional strength while minimizing rotating mass for improved acceleration and handling.

Key Features:

• 54-tooth configuration for 520 pitch chain systems
• CNC machined from 7075 T6 aluminum for optimal strength-to-weight ratio
• Vortex patented tooth design increases longevity and chain life
• Precision machined to ensure concentricity and durability
• Strategic lightening holes reduce rotating mass without sacrificing strength
• Silver anodized finish for corrosion resistance
• Ideal for 520 chain conversion setups on various sport bikes

The 642A series sprockets feature Vortex's unique tooth profile design that extends sprocket life and reduces chain wear. Each sprocket is manufactured to precise specifications ensuring perfect concentricity for smooth power delivery and reduced drivetrain vibration. The lightweight aluminum construction offers significant weight savings over steel sprockets while maintaining the durability required for high-performance applications.