Vortex 635ZR-45 Steel Rear Sprocket Pitch Sprockets - 630 45-Tooth

The Vortex 635ZR-45 is a 45-tooth, 630-pitch steel rear sprocket engineered for high-performance motorcycle applications. Built to Vortex's exacting standards, this sprocket delivers exceptional durability and consistent power transfer for street and track riders demanding more from their drivetrain.

Key Features:

• 630 Chain Pitch – Designed specifically for 630-pitch drive chains used on larger-displacement motorcycles
• 45 Teeth – Allows riders to fine-tune final drive gearing for improved low-end torque and acceleration response
• Carbon Steel Construction – Specially formulated alloy per Vortex specifications for long service life under demanding conditions
• Vortex Patented Tooth Design – Unique saber-tooth groove geometry reduces wear and increases sprocket longevity
• Corrosion-Resistant Finish – Silver anodized or electro-plated finish protects against rust and corrosion
• 100% CNC Manufactured in the U.S.A. – Precision machined for consistent fitment and reliable performance

The Vortex 635ZR-45 rear sprocket is a direct-fit upgrade or replacement for OEM sprockets, offering riders the ability to optimize their gear ratio for the riding style they prefer. Pair with a compatible 630-pitch chain for a complete drivetrain solution.