Vortex 765ZK-43 Steel Rear Sprocket 43T

The Vortex 765ZK-43 is a 43-tooth steel rear sprocket engineered for high-performance motorcycle applications. Vortex Racing is a trusted name in the powersports industry, renowned for producing precision-machined drivetrain components that meet the demands of both track and street riders.

Key Features:

• 43-Tooth Configuration: Delivers optimized acceleration and low-end torque compared to stock gearing
• Steel Construction: Offers excellent durability and longevity, ideal for high-mileage street and track use
• Precision Machined: CNC-machined to exacting tolerances for smooth, consistent chain engagement
• Direct Replacement: Designed as a direct OEM-style fitment replacement for compatible motorcycle models
• Corrosion Resistant Finish: Surface treatment helps protect against rust and wear in varied riding conditions

Vortex sprockets are a popular upgrade or replacement choice for riders looking to fine-tune their gearing ratio for specific riding styles — whether maximizing off-the-line acceleration on the street or optimizing lap times on the track. The 765ZK-43 pairs with standard chain sizes appropriate for the intended vehicle application.