Vortex 435CZK-39 CAT5 Aluminum Rear Sprocket 39-Tooth 525-Pitch Black

The Vortex 435CZK-39 is a lightweight CAT5 aluminum racing rear sprocket featuring 39 teeth with a 525 pitch chain size. This high-performance sprocket is designed for motorcycle enthusiasts seeking durability and distinctive styling with contrasting silver machine cuts against a black anodized finish.

Key Features:

• 39-tooth configuration with 525 chain pitch for optimal power transfer
• 100% CNC machined in the USA from 7075 aluminum alloy to the tightest tolerances
• Color anodized first, then CNC machined to create striking black finish with bright silver highlights on teeth, sweeps, and mud grooves
• Vortex patented saber tooth groove design increases sprocket longevity
• Specially formulated aluminum alloy per Vortex specifications for maximum strength-to-weight ratio
• Lightweight construction reduces rotational mass for improved acceleration
• Available in multiple colors with contrasting silver machine cuts

Vortex CAT5 sprockets are trusted by racing champions and represent over 15 years of U.S.-based manufacturing excellence. The unique tooth profile and precision machining deliver extended service life compared to conventional sprockets, making this an ideal upgrade for street and track motorcycles.