Vortex 170ZRV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 170ZRV4-45 is a 45-tooth VTX series aluminum rear sprocket designed for performance street and racing applications. CNC-machined in the USA from a specially formulated aerospace-grade aluminum alloy, this sprocket delivers an ideal balance of light weight and durability for demanding riding conditions.

Key Features:

• 45-Tooth rear sprocket for optimized gearing performance
• 100% CNC-manufactured in the USA to precise tolerances, ensuring concentricity and reliable power transfer
• Aerospace-grade aluminum alloy per Vortex specifications for maximum strength-to-weight ratio
• Anodized finish for corrosion resistance and long-lasting appearance
• Lightening holes strategically placed to reduce rotating mass without sacrificing structural integrity
• Unique tooth profile engineered to increase sprocket longevity and reduce chain wear
• Vortex patented sprocket design trusted by professional and amateur racers alike

Reducing unsprung and rotating mass with a lightweight aluminum sprocket like the Vortex VTX series translates directly to improved throttle response and more power to the pavement. Whether you're on the track or the street, the Vortex 170ZRV4-45 is a proven upgrade over heavier OEM steel sprockets.