Vortex 435CZK-43 CAT5 Black 43-Tooth 525-Pitch Rear Sprocket

The Vortex 435CZK-43 is a high-performance CAT5 aluminum rear sprocket featuring a 43-tooth count and 525 chain pitch. Designed for serious street and track riders, this sprocket is 100% CNC machined in the USA from a specially formulated aluminum alloy developed to Vortex's own exacting specifications, ensuring consistent quality and dimensional accuracy.

Key Features:

• Lightweight CAT5 aluminum construction — reduces unsprung rotational mass for improved throttle response and performance
• 100% CNC manufactured in the USA to the tightest possible tolerances
• Specially formulated aluminum alloy per Vortex specifications for optimum strength-to-weight ratio
• Patented saber tooth groove design — unique tooth profile increases sprocket longevity and chain engagement
• Color anodized finish applied before CNC machining, leaving contrasting silver machine cuts on the sweeps, mud grooves, and teeth for a distinctive two-tone appearance
• Available in multiple colors (black, red, blue, gold — availability varies by application) with bright silver highlights
• 43-tooth rear sprocket with 525 chain pitch

Vortex Racing has been manufacturing top-quality motorcycle racing components in the USA for over 15 years, with direct feedback from professional race teams worldwide. The CAT5 series represents their premium aluminum sprocket line, built to withstand the demands of both road racing and aggressive street riding.