Vortex 436ZR-43 CAT5 Red 43-Tooth 530-Pitch Rear Aluminum Sprocket

The Vortex 436ZR-43 is a lightweight CAT5 aluminum rear sprocket designed for high-performance motorcycle applications. Featuring a 530 chain pitch, 43 teeth, and a striking red anodized finish with contrasting silver machine cuts, this sprocket delivers a significant weight reduction over stock steel units while maintaining race-proven durability.

Manufactured entirely in the USA, the 436ZR-43 is machined from a specially formulated aluminum alloy developed exclusively to Vortex specifications. The result is a perfectly concentric sprocket with tight tolerances that reduces drivetrain friction, frees horsepower, and extends both chain and sprocket life.

Key Features:

• Lightweight CAT5 aluminum construction — a high-performance alternative to heavy stock steel sprockets
• 100% CNC manufactured in the USA to the tightest tolerances
• Specially formulated aluminum alloy per Vortex specifications for optimal strength-to-weight ratio
• Vortex patented tooth design with saber tooth grooves reduces drag and friction for improved acceleration and deceleration
• Red anodized finish with contrasting silver machine cuts on sweeps, mud grooves, and teeth
• Available in four colors (in most sizes) — red, blue, gold, and black
• 43 teeth / 530 chain pitch
• Reduces rotating mass for improved throttle response and acceleration

Vortex Racing has been manufacturing top-quality motorcycle racing components for road racing, motocross, supercross, and flat track racing for over 15 years. Every sprocket is tested with direct feedback from professional race teams worldwide, making the 436ZR-43 a trusted choice for both track and street riders seeking a performance edge.