Vortex 840CZLV4-42 Aluminum Rear Sprocket 42T 530 Chain Black Silver BST Wheels

The Vortex 840CZLV4-42 is a 42-tooth aluminum rear sprocket designed for use with a 530 pitch chain and compatible with BST and other aftermarket wheels. Engineered for performance-focused riders and racers, this sprocket delivers the lightweight durability demanded by track and street applications alike.

Key Features:

• 42-tooth, 530 chain pitch rear sprocket for precise power transfer
• 100% CNC manufactured in the USA to tight tolerances
• Crafted from a specially formulated aluminum alloy per Vortex specifications
• Black anodized with machined silver accents finish for a premium appearance and corrosion resistance
• Unique tooth profile engineered for ideal chain hold and release, extending sprocket longevity
• Vortex patented sprocket design for superior performance over standard sprockets
• Lightweight construction reduces rotating mass for improved acceleration, deceleration, and directional changes
• Sprocket mounting: 5-hole bolt pattern (10mm holes), PCD of 100mm, sprocket ID of 76mm

Vortex has been manufacturing top-quality motorcycle racing components in the USA since 1995, trusted by professional race teams worldwide. The 840-series sprocket is purpose-built for BST carbon fiber and other aftermarket race wheels, making it the ideal choice for riders seeking a performance edge without compromising reliability.