Due the high number of combinations for upper and lower headsets PRO offers its upper and lower headsets separately. So you can arrange your own individual solution for your frame and fork.

The upper PRO ZS headset with semi-integrated cups comes with high quality double sealed cartridge bearing and anodized aluminium cups.

Specifications
Construction type (Ahead/Thread): Ahead
Included in delivery: upper headset with aluminum cap, starnut, steel bolt
Material: aluminum, steel

Mfr Claimed Weight
TBC