Vortex 543A-45 530-Pitch Aluminum Rear Sprocket 45-Tooth

The Vortex 543A-45 is a 530-pitch, 45-tooth aluminum rear sprocket designed for high-performance motorcycle applications. Engineered to replace or upgrade your OEM rear sprocket, it delivers improved power transfer and reduced drivetrain rotating mass compared to heavier steel alternatives.

Key Features:

• 530 Chain Pitch — compatible with 530-series drive chains
• 45-Tooth rear sprocket — optimized tooth count for balanced acceleration and top-end performance
• Lightweight aluminum construction — reduces rotating mass for improved throttle response
• 100% CNC machined in the USA — manufactured to Vortex's tight tolerances for precise fit and concentricity
• Specially formulated alloy — per Vortex's proprietary alloy specifications for durability
• Unique Vortex tooth profile — patented tooth design engineered to extend sprocket longevity and promote smooth chain engagement
• Anodized finish — corrosion-resistant surface treatment for long service life

Vortex Racing rear sprockets are a proven choice among club racers and track day enthusiasts. Each sprocket is precision-manufactured and race-tested to meet the demands of aggressive riding conditions. The 543A-45 is a direct bolt-on replacement designed to fit the specific bolt pattern of compatible motorcycles.