Vortex 610-45 Aluminum Rear Sprocket 520 Pitch 45 Tooth Silver

The Vortex 610-45 is a 45-tooth, 520-pitch aluminum rear sprocket designed for high-performance street and racing applications. Manufactured in the USA by Vortex Racing, a brand trusted by professional race teams across Motocross, Supercross, Road Racing, and Flat Track disciplines, this sprocket delivers a precise balance of lightweight performance and long-lasting durability.

Key Features:

• 45-tooth, 520 pitch rear sprocket — direct fit for compatible motorcycles using the 610 bolt pattern
• Lightweight aluminum construction — reduces rotating mass for improved throttle response and acceleration feel
• 100% CNC machined in the USA — manufactured to tight tolerances for concentricity and accurate chain engagement
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Silver anodized finish — corrosion-resistant coating for long service life
• Unique Vortex patented tooth design — engineered to extend sprocket and chain longevity

The Vortex 610-45 is an ideal upgrade or direct replacement for riders looking to fine-tune their final drive gearing. A 45-tooth rear sprocket can provide improved low-end torque and quicker acceleration compared to stock gearing configurations. Pair with a matching 520 front sprocket and 520-pitch chain for a complete drivetrain solution.