Vortex 438ZR-45 Red 45-Tooth 530 Aluminum Rear Sprocket

The Vortex 438ZR-45 is a 45-tooth, 530-pitch rear sprocket machined from lightweight CAT5 aluminum and finished in a striking red anodized color with contrasting silver machine cuts. Engineered for performance riders who demand both reliability and reduced unsprung weight, this sprocket is 100% CNC manufactured in the USA to tight tolerances using a specially formulated aluminum alloy developed to Vortex's proprietary specifications.

Key Features:

• 45 teeth, 530 chain pitch rear sprocket
• Lightweight CAT5 aluminum construction reduces unsprung rotational mass
• 100% CNC machined in the USA for precise fitment and consistency
• Specially formulated aluminum alloy per Vortex specifications for enhanced durability
• Vortex patented unique tooth geometry extends sprocket service life
• Available in 4 anodized colors with contrasting silver machine cuts
• Red anodized finish for a distinctive, race-ready appearance

Vortex Racing sprockets are a trusted choice among track day enthusiasts and professional racers alike. The patented tooth design distributes chain load more evenly than conventional sprockets, helping to maximize longevity even under hard, repeated acceleration.