Vortex 144AZBV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 144AZBV4-45 is a high-performance 45-tooth aluminum rear sprocket from Vortex Racing's VTX series. Precision-machined from aircraft-grade 7075-T6 aluminum, this lightweight sprocket is designed as a direct OEM replacement and performance upgrade for compatible sportbike applications.

Vortex sprockets are manufactured to exacting tolerances, ensuring smooth chain engagement, reliable power transfer, and consistent performance on both the street and track. The hard anodized finish provides superior corrosion resistance and surface hardness, extending the service life of the sprocket under demanding conditions.

Key Features:

• 45 Teeth – Optimized tooth count for strong acceleration and mid-range power delivery
• Aircraft-Grade 7075-T6 Aluminum – Offers an excellent strength-to-weight ratio for reduced unsprung weight
• Hard Anodized Finish – Resists corrosion and wear for long-lasting durability
• CNC Precision Machined – Tight tolerances ensure proper chain fit and smooth engagement
• Direct OEM Replacement – Bolt-on fitment with no modifications required
• VTX Series Design – Lightweight hub cutouts reduce overall sprocket mass without sacrificing strength

Vortex Racing is a trusted name in the powersports industry, supplying sprockets to professional race teams and performance riders worldwide. The 144AZBV4-45 rear sprocket is an ideal upgrade for riders looking to reduce drivetrain weight and sharpen throttle response.