Vortex 617ZK-43 Black 43-Tooth 520-Pitch Aluminum Rear Sprocket

The Vortex 617ZK-43 is a 43-tooth, 520-pitch aluminum rear sprocket from Vortex Racing's ZK series, featuring a striking black anodized finish with contrasting silver machined accents. Designed for sport motorcycle riders who demand precision and durability, this sprocket is 100% CNC manufactured in the USA from a specially formulated aluminum alloy to exacting Vortex standards.

Key Features:

• 43 teeth with 520 pitch chain compatibility
• Lightweight CAT5 aluminum construction reduces rotating mass for improved power transfer
• 100% CNC machined in the USA for unrivaled dimensional precision
• Specially formulated 7075 T6 aluminum alloy per Vortex specifications
• Black anodized finish with contrasting silver machine cuts for a premium appearance
• Vortex patented unique tooth design increases sprocket longevity
• Corrosion-resistant anodized finish protects against the elements

The ZK series combines race-proven performance with aggressive styling. Vortex's patented tooth geometry promotes smooth chain engagement and extended wear life, making the 617ZK-43 an ideal choice for both street and track use. Always replace the chain and both sprockets together for optimal drivetrain life.