Vortex 840ZOV4-43 VTX Aluminum Rear Sprocket 43T 530 Chain Black/Silver

The Vortex 840ZOV4-43 is a 43-tooth aluminum rear sprocket from Vortex's 840 series, engineered specifically for BST (Black Stone Tek) carbon fiber wheels and compatible with 530 chain applications. Featuring a striking black anodized finish with machined silver accents, this sprocket delivers race-proven performance in a lightweight package.

Key Features:

• 100% CNC machined in the USA to tight tolerances for precise fit and long service life
• Constructed from 7075 T6 billet aluminum for an optimal strength-to-weight ratio
• Black anodized finish with machined accents for corrosion resistance and aggressive styling
• 5-bolt mounting pattern with a 100mm Pitch Circle Diameter (PCD) and 76mm sprocket ID, designed for BST carbon wheels
• Unique tooth geometry engineered to reduce chain wear and extend sprocket longevity
• Reduces rotating mass compared to steel sprockets, improving acceleration, deceleration, and throttle response
• Specially formulated aerospace-grade alloy per Vortex specifications

Vortex has been manufacturing top-quality motorcycle racing components in the USA since 1995, supplying professional race teams worldwide across Motocross, Supercross, Road Racing, and Flat Track disciplines. The 840ZOV4-43 is the choice for riders seeking a lightweight, durable, and race-tested rear sprocket for BST wheel-equipped machines.