Aheadset

ZS ZeroStack Internal 1-1/8" Threadless Headset

The cups and cones on the ZeroStack work together with a simple O-ring that help seal out contaminants and increase the headset's life expectancy.

• LubeAlarm seals audibly alert the rider when more grease is needed in the headset, extending headset life
• The compression ring is integrated into the top cover creating one simple, light part
• The cone and crown race are the same part creating mirror top and bottom cup assemblies
• Features 1-1/8" high-complement caged ball bearings
• Deep insertion depth and 3mm lead-in for easy installation
• ZS44 upper and lower cups