Wolf Tooth Premium IS52 Internal Aero Headset for ENVE IN-Route System Material_Stainless Steel ISPEC-EV ISPEC-II ISPEC-A&B XTR M9100

ISPEC-EV ISPEC-II ISPEC-A&B XTR M9100 XTR M9020 Saint M820 XT M8100 XTR M9000 XT M780 SLX M7100 XT M8000 SLX M670 Deore M6100 SLX M7000 Deore M615 Deore M4100 Deore M6000 XTR M980     XTR M95     Zee M640 Shimano model # can be found on the fluid reservoir

Thread Length: 12mm

XZN-16 Socket

secondary chain retention (front derailleur or chain device) may be needed

Wolf Tooth Premium IS52 Internal Aero Headset for ENVE IN-Route System Material_Stainless Steel ISPEC-EV ISPEC-II ISPEC-A&B XTR M9100Wolf 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