Vortex 438ZBV4-43 VTX Aluminum Rear Sprocket Chain Sprockets - 43T 428

The Vortex 438ZBV4-43 is a 43-tooth aluminum rear sprocket from Vortex's VTX series, engineered for riders seeking a lightweight, high-performance alternative to stock steel sprockets. Designed for 428 chain pitch applications, this sprocket delivers the precision and durability that Vortex is known for in both street and track environments.

Key Features:

• 43 Teeth — Optimized gearing for enhanced acceleration and low-end torque
• 428 Chain Pitch — Compatible with standard 428 chain applications
• Lightweight Aluminum Construction — Reduces unsprung rotational weight compared to OEM steel sprockets
• VTX Series — Vortex's performance-focused sprocket line featuring precision CNC machining
• Hard Anodized Finish — Provides corrosion resistance and extended service life
• Precision CNC Machined — Ensures accurate tooth profile and consistent chain engagement
• Direct OEM Replacement Fitment — Bolt-on installation with no modifications required

Vortex sprockets are a trusted upgrade for sport bike and motorcycle enthusiasts looking to fine-tune their drivetrain. The aluminum construction saves significant weight over stock, improving throttle response and overall riding dynamics. As with all Vortex components, the 438ZBV4-43 is manufactured to strict tolerances for reliable, long-lasting performance.