Wolf Tooth Performance Headset - EC44/40 Lower Raw Silver MFPN=18130-13 60% combed ring-spun cotton 40%

60% combed ring-spun cotton 40% polyester

Note: rear disc brake is limited to 160mm maximum rotor diameter and requires the use of Surly caliper adaptor (included with frames and bikes)

}DT Swiss 6903 Bearing: Sinc Ceramic 30mm OD 18mm ID 7mm Wide

Tubeless-ready 120 TPI casing with EXO sidewall protection

Built around 27

Wolf Tooth Performance Headset - EC44/40 Lower Raw Silver MFPN=18130-13 60% combed ring-spun cotton 40%Wolf Tooth Performance Headset EC44 40 Lower Raw Silver. Wolf Tooth Performance Headsets are machined out of aircraft grade aluminum and assembled with Black Oxide Cartridge Bearings balancing quality and price. Black Oxide Bearings are made from chromium steel for high load capacity and durability Custom molded dual lip seal on the crown race to protect lower bearing in the toughest conditions TECH SPECS Lower Stack Height 12. 25S. H. I. S Lower