Vortex 840AZKV4-42 VTX Aluminum Rear Sprocket 42-Tooth

The Vortex 840AZKV4-42 is a 42-tooth aluminum rear sprocket from Vortex Racing's industry-leading 840 series. Designed for performance motorcycle applications, this sprocket delivers a significant weight reduction over OEM steel sprockets, reducing rotating mass for improved throttle response, acceleration, and overall handling feel.

Key Features:

• 42-Tooth rear sprocket for precise gear ratio tuning
• 100% CNC manufactured in the USA to tight racing tolerances
• Specially formulated aluminum alloy per Vortex's own specifications
• Anodized black finish for corrosion resistance and a sleek appearance
• Unique tooth geometry engineered to increase sprocket longevity and reduce chain wear
• Vortex patented sprocket design unlike any other sprocket on the market
• 5-bolt mounting pattern with 10mm bolt holes, Pitch Circle Diameter (PCD) of 100mm, and sprocket ID of 76mm

Vortex Racing has been manufacturing top-quality motorcycle racing components in the USA since 1995, with products trusted by professional race teams worldwide. The 840 series rear sprocket is an ideal upgrade for riders looking to fine-tune their drivetrain gearing while shedding unnecessary weight.