Vortex 527ZBV4-47 VTX Aluminum Rear Sprocket Pitch Sprockets - 520 47T

The Vortex 527ZBV4-47 is a 47-tooth aluminum rear sprocket from Vortex's VTX series, designed for motorcycles running a 520 pitch chain. Vortex sprockets are a trusted choice among sport bike riders and racers seeking a lightweight, performance-oriented alternative to stock steel sprockets.

Key Features:

• Chain Pitch: 520 (5/8" × 3/8")
• Tooth Count: 47 teeth
• Material: 7075 T6 aerospace-grade aluminum for reduced rotating mass
• Hard anodized finish for corrosion resistance and extended wear life
• CNC machined to precise tolerances for smooth, consistent chain engagement
• Lightening pockets reduce unsprung weight compared to OEM steel sprockets
• Direct bolt-on replacement — no modifications required

Upgrading to a Vortex VTX aluminum rear sprocket provides a noticeable reduction in unsprung and rotating weight, contributing to improved throttle response and acceleration. The hard anodized surface treatment ensures durability for both street and track use. Always replace the chain and front sprocket together for optimal drivetrain performance and longevity.