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IS52U-L-IR-RED
Add-Ons

Wolf Tooth Premium IS52 Internal Aero Headset for ENVE IN-Route System
Wolf Tooth Premium Internal Headsets for ENVE IN-Route System 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 variety of colors. Premium Headsets with Enduro stainless steel bearings carry a lifetime warranty on the bearings.
Compatibility
- Designed for the ENVE IN-Route System and compatible with bikes that use an IS52 upper / lower headset and a 1-1/8” to 1.5” tapered steerer tube (FITS ONLY ENVE In-Route System).
- Use top cap and split spacers provided with ENVE stems and one-piece cockpits.
- Use the compression plug that comes with your fork.
- Sold as a complete upper and lower IS52 Headset.
- Enduro stainless steel bearings included.
- Two 0.5mm spacers are included to dial in headset compression if necessary.
Tech Specs
Material: 6061 Aluminum
Dimensions:
- Total Stack Upper Headset - 3.5mm
- Total Stack Lower Headset - 0mm
- For Headtube Internal Diameter - 52mm
- 52mm 36x45 Upper And Lower Bearings
Weights:
- Upper Headset - 50g
- Lower Headset - 28g
- Complete Headset - 78g
Features:
- Premium Enduro stainless steel bearings.
- Available in seven Wolf Tooth anodized colors to match other Wolf Tooth components.
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Designed with the Wolf Tooth triple-sealed system present on all other Wolf Tooth headsets:
- Internal o-ring top cap seal prevents water intrusion around the steerer tube.
- Custom-molded upper cup lip seal provides additional protection for the upper bearing.
- Custom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.
- Contact sales@wolftoothcomponents.com for fitment and compatibility questions.
Made in the USA
Patent and trademark information
Related Products
WARNING Handling this product will expose you to chemicals, including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For further information go to www.P65Warnings.ca.gov.





