Vortex 436ZR-40 CAT5 Rear Sprocket 530 40-Tooth Red Aluminum

The Vortex 436ZR-40 is a high-performance CAT5 aluminum rear drive sprocket featuring 40 teeth, 530 chain pitch, and a striking red anodized finish. Designed as a lightweight upgrade over stock steel sprockets, this sprocket reduces rotating mass for improved throttle response and overall performance. It is 100% CNC-machined in the USA from a specially formulated aluminum alloy developed to Vortex's proprietary specifications.

Key Features:

• 40 teeth, 530 chain pitch rear sprocket
• Lightweight CAT5 aluminum construction — a high-performance alternative to stock steel
• 100% CNC manufactured in the USA from Vortex-spec formulated alloy
• Red anodized finish with contrasting silver machined highlights on sweeps, mud grooves, and teeth
• Patented Vortex saber-tooth groove design extends sprocket service life
• Available in multiple colors (red, blue, gold, black) — color anodizing varies by application

Whether you're chasing lap times on the track or pushing hard on the street, the Vortex 436ZR-40 delivers the weight savings and precision engineering that serious riders demand.