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Wolf Tooth Premium EC44 Aero Headset for Semi-Internal Routing

Wolf Tooth Premium EC44 Aero Headsets for Semi-Internal Routing are designed and machined right here in our Minnesota headquarters with aircraft-grade 6061 aluminum. They are designed to have an ultra-low stack height, to be lightweight, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a seven Color Shop anodized finishes. Premium Headsets with Enduro stainless steel bearings carry a lifetime warranty on the bearings.

Compatibility

Designed for semi-internal cable routing to allow the use of standard 1-1/8" stems and headset spacers with bikes that use an EC44 upper / lower headset and a 1-1/8” to 1.5” tapered steerer tube.
Only compatible with frames designed for through-the-headset routing.
Use the compression plug that comes with your fork.
Sold as a complete upper and lower EC44 Headset.
Enduro stainless steel bearings included.
Includes 2x 0.3mm plastic shims to help dial in headset compression if necessary.

Tech Specs

Material: 6061 Aluminum

Dimensions:

Total Stack Upper Headset - 20.1mm
Total Stack Lower Headset - 12.25mm
For Headtube Internal Diameter - 44mm
Cup External Diameter - 56.5mm
52mm 36x45 Upper And Lower Bearings

Weights:

Upper Headset: 73 g
Lower Headset: 47 g

Features:

Premium stainless steel Enduro bearings for ultimate corrosion protection.
Six cable ports (two hydraulic brake lines + four mechanical cable lines).
Available in seven Wolf Tooth anodized colors to match other Wolf Tooth components.
Designed with the Wolf Tooth triple-sealed system present on all other Wolf Tooth headsets:
- Custom-molded captive rubber seal at the cable entry ports that stops any water or debris from getting in with the brake hoses or shift cables.
- Custom lip seal on the outside of the headset cap interfaces with the frame or EC44 cup to stop any water or debris from getting into upper the bearing.
- Custom overmolded dual-lip crown race seal interfaces with frame to stop any water or debris from getting into the lower bearing.
Contact [email protected] for fitment and compatibility questions.

Machined in the USA

Patent and trademark information

Wolf Tooth Premium EC44 Aero Headset for Semi-Internal Routing

Compatibility

Designed for semi-internal cable routing to allow the use of standard 1-1/8" stems and headset spacers with bikes that use an EC44 upper / lower headset and a 1-1/8” to 1.5” tapered steerer tube.
Only compatible with frames designed for through-the-headset routing.
Use the compression plug that comes with your fork.
Sold as a complete upper and lower EC44 Headset.
Enduro stainless steel bearings included.
Includes 2x 0.3mm plastic shims to help dial in headset compression if necessary.

Tech Specs

Material: 6061 Aluminum

Dimensions:

Total Stack Upper Headset - 20.1mm
Total Stack Lower Headset - 12.25mm
For Headtube Internal Diameter - 44mm
Cup External Diameter - 56.5mm
52mm 36x45 Upper And Lower Bearings

Weights:

Upper Headset: 73 g
Lower Headset: 47 g

Features:

Premium stainless steel Enduro bearings for ultimate corrosion protection.
Six cable ports (two hydraulic brake lines + four mechanical cable lines).
Available in seven Wolf Tooth anodized colors to match other Wolf Tooth components.
Designed with the Wolf Tooth triple-sealed system present on all other Wolf Tooth headsets:
- Custom-molded captive rubber seal at the cable entry ports that stops any water or debris from getting in with the brake hoses or shift cables.
- Custom lip seal on the outside of the headset cap interfaces with the frame or EC44 cup to stop any water or debris from getting into upper the bearing.
- Custom overmolded dual-lip crown race seal interfaces with frame to stop any water or debris from getting into the lower bearing.
Contact [email protected] for fitment and compatibility questions.

Machined in the USA

Patent and trademark information

Compatibility

Designed for semi-internal cable routing to allow the use of standard 1-1/8" stems and headset spacers with bikes that use an EC44 upper / lower headset and a 1-1/8” to 1.5” tapered steerer tube.
Only compatible with frames designed for through-the-headset routing.
Use the compression plug that comes with your fork.
Sold as a complete upper and lower EC44 Headset.
Enduro stainless steel bearings included.
Includes 2x 0.3mm plastic shims to help dial in headset compression if necessary.

Tech Specs

Material: 6061 Aluminum

Dimensions:

Total Stack Upper Headset - 20.1mm
Total Stack Lower Headset - 12.25mm
For Headtube Internal Diameter - 44mm
Cup External Diameter - 56.5mm
52mm 36x45 Upper And Lower Bearings

Weights:

Upper Headset: 73 g
Lower Headset: 47 g

Features:

Premium stainless steel Enduro bearings for ultimate corrosion protection.
Six cable ports (two hydraulic brake lines + four mechanical cable lines).
Available in seven Wolf Tooth anodized colors to match other Wolf Tooth components.
Designed with the Wolf Tooth triple-sealed system present on all other Wolf Tooth headsets:
- Custom-molded captive rubber seal at the cable entry ports that stops any water or debris from getting in with the brake hoses or shift cables.
- Custom lip seal on the outside of the headset cap interfaces with the frame or EC44 cup to stop any water or debris from getting into upper the bearing.
- Custom overmolded dual-lip crown race seal interfaces with frame to stop any water or debris from getting into the lower bearing.
Contact [email protected] for fitment and compatibility questions.

Machined in the USA

Patent and trademark information