Vortex 427ZKV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 427ZKV4-45 is a high-performance 45-tooth aluminum rear sprocket from Vortex Racing's VTX series, engineered for motorcycle applications demanding lightweight durability and precision fitment. Manufactured from aircraft-grade 7075 aluminum alloy and hard anodized for extended wear resistance, this sprocket delivers a significant weight savings over stock steel sprockets without sacrificing strength.

Key Features:

• 45-Tooth rear sprocket for tunable gearing options
• Lightweight 7075 aluminum alloy construction with hard anodized finish
• VTX series design with precision CNC machining for exact tolerances
• Hard anodized surface coating for enhanced wear resistance and corrosion protection
• Precision-cut teeth profile for smooth, quiet chain engagement
• Significant weight reduction compared to OEM steel sprockets
• Direct OEM replacement fit — no modifications required

Vortex Racing is a trusted name in the powersports industry, supplying sprockets and drivetrain components to both competitive racers and street riders. The VTX aluminum rear sprocket is an ideal upgrade for riders looking to reduce unsprung and rotating mass while maintaining reliable drivetrain performance.