40-Series Zero Stack headsets set the standard for performance, durability and value. Drawing from the premium 110-Series design, the 40-Series includes all the features necessary for a durable, lightweight, long-lasting headset.
* Sealed ZN40 cartridge bearings
* 6000 series alloy cups and materials
* Steel crown race with integrated seals
* Interlok spacer compatible
* Color: Black
* S.H.I.S. Stem Clamp Diameter: 28.6 Threadless
* Bearing Type: Cartridge
* S.H.I.S Upper: ZS44
* Upper Stack Height: 8
* Weight: 44
Hiking Shorts with first aid-40 Zs44/28.6 Short Cover Top Headset
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