Vortex 840CZKV4-46 Aluminum Rear Sprocket 46T 530 Chain Black/Silver

The Vortex 840CZKV4-46 is a 46-tooth aluminum rear sprocket designed for 530-pitch chain applications. Part of Vortex's 840 series engineered for BST carbon fiber wheels, this sprocket features a 5-bolt mounting pattern with a 100mm pitch circle diameter (PCD) and a 76mm center bore ID.

Key Features:

• 46-tooth, 530-chain pitch rear sprocket for precise gear ratio tuning
• 7075-T6 billet aluminum construction — lightweight design reduces rotating mass for improved throttle response
• 100% CNC machined in the USA to tight tolerances for consistent fitment and performance
• Black/Silver two-tone anodized finish — corrosion-resistant and race-ready appearance
• Unique tooth profile engineered for increased sprocket longevity and smooth chain engagement
• 5-bolt mounting pattern with 10mm holes on a 100mm PCD; 76mm center bore ID
• Designed specifically for BST (Black Stone Twin-tek) carbon fiber wheels

Vortex Racing has been manufacturing top-quality motorcycle racing components in the USA since 1995, trusted by professional race teams worldwide. The 840CZKV4-46 rear sprocket is a direct upgrade for riders looking to reduce unsprung weight, fine-tune gearing, and maintain race-proven reliability on track or street.