Wolf Tooth Headset EC44/40 Lower

EC stands for External Cup, and 44 refers to the 44mm inner diameter of your bicycle's head tube. This headset is designed specifically for frames with a 44mm head tube that require an external cup to accommodate a tapered 1.5-inch fork steerer.

Headsets are rarely cross-compatible between brands or even different models within the same brand. You should use this lower assembly as part of a complete Wolf Tooth headset system to ensure the bearings, seals, and crown race interface correctly.

Stainless steel bearings offer significantly better resistance to corrosion and rust, especially if you ride in wet, muddy, or salty conditions. They are a smart upgrade if you want to extend the service life of your headset and reduce the frequency of maintenance.

Yes, this EC44/40 lower assembly includes the necessary crown race, which is designed to fit a 40mm fork crown race seat. Ensure your fork is compatible with this 40mm standard before installation.

This lower assembly has a stack height of 12.25 mm. Keep this measurement in mind when calculating your total stack height to ensure your fork steerer tube is long enough to accommodate the headset and your stem.