Vortex 840-43 Rear Sprocket 43T Silver Aluminum for BST Wheels

The Vortex 840-43 is a lightweight aluminum racing rear sprocket designed specifically for BST aftermarket wheels. Featuring 43 teeth and finished in silver anodizing, this precision-engineered sprocket delivers race-proven performance for high-performance motorcycles.

Key Features:

• 100% CNC machined in the USA from specially formulated aluminum alloy
• Silver anodized finish prevents corrosion and wear
• Patented tooth design with saber tooth grooves increases sprocket longevity
• Engineered for BST wheel fitment with 5 mounting holes (10mm diameter)
• Pitch Circle Diameter (PCD) of 100mm with 76mm center bore
• Manufactured to tightest tolerances for optimal chain engagement

Vortex Racing has been manufacturing premium motorcycle racing components since 1995, with products tested and proven by professional race teams worldwide. This sprocket is compatible with 520, 525, or 530 pitch chains depending on your drivetrain configuration.