Aheadset ZS Zero Stack Internal 1-1/8" Headset -
The Zero Stack features cups and cones that work together with a simple O-ring to seal out contaminants and increase the headset's life expectancy.
- The cone and crown race are the same part creating mirror top and bottom cup assemblies
- The compression ring is integrated into the top cover creating one simple, light part
- LubeAlarm seals audibly alert the rider when more grease is needed in the headset, extending headset life
- Features 1-1/8" high-complement caged ball bearings