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.

• 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.