Vortex 177-43 Aluminum Rear Sprocket 43-Tooth

The Vortex 177-43 is a 43-tooth aluminum rear sprocket engineered for serious motorcycle racing and performance street applications. Manufactured by Vortex Racing — a U.S.-based leader in motorcycle drivetrain components — this sprocket is built to exacting tolerances using high-grade aluminum for an optimal balance of strength and weight savings.

Key Features:

• 43-Tooth Rear Sprocket — part of the Vortex 177 series sprocket lineup
• Lightweight Aluminum Construction — reduces unsprung rotational mass for improved throttle response and acceleration
• Precision Machined — manufactured to tight tolerances for accurate chain engagement and extended drivetrain life
• Durable Finish — resists corrosion and wear under demanding racing and street conditions
• Direct Replacement — designed as a direct OEM-style fitment for compatible applications

Vortex Racing has been supplying professional race teams and performance riders for over 15 years, with components validated at the highest levels of Motocross, Supercross, Road Racing, and Flat Track competition. The 177-43 rear sprocket is a reliable upgrade or replacement choice for riders seeking proven performance drivetrain parts.