This style is often simply refered to as a '1 1/8 Inch' headset which, most of the time, is enough of a description to get you the correct headset. But nowasays with all the different headset standards available, we need to get specific here.

The EC34/EC34 headset is designed to fit frames with straight 34mm/34mm headtubes and straight 1 1/8 inch (28.6mm) fork steerers. The 'EC' stands for External Cup, meaning the section of the cup that houses the bearing sits outside the frames headtube, and the '34' stands for the 34mm skirt that presses into the frame.

Features:

- US sourced 6061-T6 aluminium
- Machine engraved White Industries logo (Stealth Black version has been anodised after engraving)
- Easily replaceable Enduro bearings
- Split crown race for tool-free installation and removal
- Matching headset spacers available seperately
- Compatible with Ritchey carbon 1 1/8 steerer forks with intergrated crown racers (not tapered steerer forks)
- additional part required to replace the stock bearing and crown race
- Stack height: Upper 15mm / Lower 12mm
- Bearings: ACB3645SS (inner/outer angle: 36/45)