Vortex 642CZGV4-45 Aluminum Rear Sprocket 45T

The Vortex 642CZGV4-45 is a lightweight, high-performance aluminum rear sprocket engineered for riders who demand precision and durability. Part of Vortex's VTX series, this sprocket is CNC-machined from aircraft-grade 7075-T6 aluminum, delivering an excellent strength-to-weight ratio over stock steel sprockets.

Key Features:

• Tooth Count: 45 teeth for optimized gear ratio and acceleration
• Material: CNC-machined 7075-T6 aircraft-grade aluminum for lightweight strength
• Finish: Hard anodized for corrosion resistance and long service life
• Precision Cut: Computer-machined teeth for smooth, consistent chain engagement
• Direct Fit: Designed as a direct OEM replacement with no modifications required
• Weight Savings: Significantly lighter than stock steel sprockets, reducing unsprung weight

Vortex sprockets are manufactured to tight tolerances, ensuring quiet operation and extended chain and sprocket life. The 642CZGV4-45 is ideal for street, track day, and performance riding applications where weight reduction and precise power delivery are priorities.