Vortex 170ZU-45 VTX Aluminum Rear Sprocket 45T

The Vortex 170ZU-45 is a 45-tooth aluminum rear sprocket from Vortex's VTX series, designed as a high-performance replacement for sport and street motorcycles. CNC-machined in the USA from a specially formulated aluminum alloy, this sprocket delivers a significant weight reduction over OEM steel units, helping to reduce rotating mass for improved throttle response and acceleration.

Key Features:

• 45-tooth rear sprocket configuration
• Lightweight aluminum construction reduces rotating mass
• 100% CNC-machined in the USA to precise tolerances
• Specially formulated aluminum alloy per Vortex specifications
• Anodized finish for corrosion resistance and long-lasting appearance
• Unique tooth profile design engineered to extend sprocket longevity
• Vortex patented sprocket design
• Fits the 170 bolt-pattern sprocket carrier (ZU series)

Vortex is a trusted name in motorcycle drivetrain components, supplying sprockets to racers and performance street riders alike. The 170ZU-45 is a direct bolt-on upgrade that offers race-proven durability and a noticeable reduction in unsprung rotating weight compared to stock steel sprockets.