Vortex 245AZR-43 CAT5 Rear Aluminum Sprocket 520 Pitch 43-Tooth Red

The Vortex 245AZR-43 is a CAT5 series rear aluminum sprocket featuring a 520 pitch and 43-tooth count, finished in a vibrant red anodized color with contrasting silver machine cuts. Engineered for motorcycle road racing and performance street riding, this sprocket delivers a significant weight savings over OEM steel units, reducing rotating mass for improved throttle response and acceleration.

Key Features:

• 520 pitch — compatible with 520-size chain and front sprocket combinations
• 43 teeth — optimized rear gearing for a wide range of track and street applications
• Premium 7075 aluminum construction — specially formulated alloy per Vortex specifications for exceptional strength-to-weight ratio
• 100% CNC manufactured in the U.S.A. — machined to the tightest tolerances in the industry
• CAT5 anodized finish — anodized first, then CNC machined to produce a bold red color with bright silver highlights on the teeth and grooves
• Saber tooth groove design — Vortex patented tooth profile engineered to increase sprocket longevity and improve chain engagement
• Significantly lighter than OEM steel sprockets, reducing rotating mass for improved acceleration and handling

Vortex Racing has been manufacturing top-quality motorcycle racing components in the U.S.A. for road racing, motocross, supercross, and flat track disciplines. The CAT5 rear sprocket is a proven choice trusted by professional race teams and champions worldwide.