Vortex 170-45 VTX Aluminum Rear Sprocket 45-Tooth

The Vortex 170-45 is a 45-tooth VTX series aluminum rear sprocket designed for performance motorcycle applications. Vortex Racing is a well-established manufacturer of high-quality drivetrain components trusted by both track and street riders worldwide.

Machined from lightweight 7075-T6 billet aluminum, the VTX sprocket delivers a significant weight reduction over stock steel sprockets without sacrificing durability. The hard-anodized finish provides excellent corrosion resistance and extends service life under demanding riding conditions.

Key Features:

• 45-tooth rear sprocket for tuned final drive ratio
• CNC-machined from 7075-T6 billet aluminum for superior strength-to-weight ratio
• Hard-anodized surface finish for corrosion and wear resistance
• Precision-cut tooth profile for smooth, quiet chain engagement
• Lightweight construction reduces unsprung and rotating mass
• Direct OEM-style bolt pattern for straightforward installation
• Compatible with standard O-ring, X-ring, and Z-ring chains

The Vortex VTX series rear sprocket is an ideal upgrade for riders looking to fine-tune acceleration, top speed, or overall power delivery. Whether optimizing for the track or weekend sport riding, the Vortex 170-45 offers a reliable, race-proven solution.