Vortex 438ZRV4-47 VTX Aluminum Rear Sprocket Pitch Sprockets - 47T 428

The Vortex 438ZRV4-47 is a lightweight, high-performance aluminum rear sprocket from Vortex Racing's popular VTX series. Designed as a direct OEM replacement or performance upgrade, this sprocket features 47 teeth and is compatible with 428-pitch chains, making it a precise fit for a wide range of sport and street motorcycles.

Machined from high-grade 6061-T6 aluminum, the VTX sprocket delivers significant weight savings over steel alternatives without sacrificing durability. A hard-anodized finish provides excellent resistance to wear, corrosion, and the rigors of everyday riding or track use.

Key Features:

• Tooth Count: 47 teeth
• Chain Pitch: 428
• Material: 6061-T6 aluminum with hard-anodized finish
• Lightweight construction reduces unsprung and rotating mass
• CNC-machined for precise tolerances and consistent performance
• Direct bolt-on fitment — no modifications required
• Designed and manufactured by Vortex Racing, a trusted name in powersports drivetrain components

The Vortex VTX aluminum rear sprocket is an excellent choice for riders looking to fine-tune their final drive ratio for improved acceleration, top speed, or overall throttle response.