Vortex 110BZK-42 CAT5 Aluminum Rear Sprocket 42 Tooth Black 520 Pitch

The Vortex 110BZK-42 is a high-performance CAT5 aluminum rear sprocket featuring 42 teeth and designed for 520 pitch chains. This lightweight racing sprocket is part of Vortex's premium CAT5 line, combining exceptional durability with significant weight savings over steel sprockets.

Key Features:

• 42-tooth configuration for precise gearing ratios
• 520 pitch chain compatibility
• CAT5 aluminum construction for optimal strength-to-weight ratio
• 100% CNC machined in the USA to exacting tolerances
• Specially formulated aluminum alloy per Vortex specifications
• Black anodized finish prevents corrosion and adds durability
• Patented Vortex tooth design with saber tooth grooves for improved chain hold and release
• Unique tooth profile increases sprocket longevity
• Reduces rotating mass for improved acceleration and throttle response
• Contrasting silver machine cuts on black surface for distinctive appearance

Vortex Racing has been manufacturing top-quality racing components in the USA since 1995. Each sprocket is precision-engineered and tested on the track with feedback from professional race teams worldwide. The CAT5 series represents Vortex's commitment to combining race-proven performance with long-lasting durability, making it an excellent choice for both street and track applications.