Vortex 528CZK-40 CAT5 Aluminum Rear Sprocket 40T 520 Pitch

The Vortex CAT5 Aluminum Sprockets feature a unique CNC-machined design and a anodized finish that delivers both race-ready performance and exceptional durability. Designed for serious riders who demand the best, this 40-tooth rear sprocket is engineered to reduce rotating mass and improve acceleration on 520-pitch chain applications.

Key Features:

• 100% CNC manufactured in the USA for precise concentricity and perfect alignment
• Made to precise specifications from aluminum ensuring concentricity and durability with lightening holes to reduce rotating mass
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Silver anodized to prevent corrosion while maintaining a premium appearance
• Unique tooth design increases sprocket longevity for extended service life
• 40 teeth configuration for versatile gearing options
• 520 chain pitch (528 designation) compatibility

An aluminum sprocket is much lighter compared to OEM steel sprockets and this leads to reduced rotating mass and allows for improved acceleration and handling. Vortex Racing has been manufacturing premium motorcycle racing components for over 15 years, trusted by professional race teams worldwide for their uncompromising quality and performance.