Wolf Tooth Premium Internal Headset - EC44 Upper / EC44 Lower For Enve In-Route System Only BLK CheckoutSpec= 57mm S x 571 lbs/in 20mm internal width and 23mm

20mm internal width and 23mm rim depth

99mm Interface DUB Primary Color Black BB Shell Thread Italian BB Bearing Ceramic BB Shell Width 70mm

}Shimano Ultegra FC-R8100 Crankset - 175mm 12-Speed 52/36t Hollowtech II Spindle Interface Black

Compatible with Hydra 6 bolt mountain front hubshells

Works for all brake models except Gustav M

Wolf Tooth Premium Internal Headset - EC44 Upper / EC44 Lower For Enve In-Route System Only BLK CheckoutSpec= 57mm S x 571 lbs/in 20mm internal width and 23mmWolf Tooth Premium Internal Headset EC44 Upper EC44 Lower For Enve In Route System Only Black. Wolf Tooth Premium Internal EC44 Headsets were developed for frames using the ENVE IN Route System of cable integration with a 44mm head tube. It was made for cyclists who want a clean aero cockpit that keeps cables and brake lines out of sight. Wolf Tooth headsets are machined with aircraft grade 6061 aluminum at Wolf Tooth in Minnesota USA. Designed for