Wolf Tooth Components Semi-Internal EC44 Premium Upper& Lower Headset Black MFPN=B603AA 25.4 SILVER A pressure release button allows

A pressure release button allows you to precisely get your desired air pressure with half-unit increments

an automatic terrain selector

Integrated 4-arm

} A torque wrench with adjustable range from 4-20Nm

0mm Rim Material Carbon Rim Model 45 Skewers Included No Spoke Type J-Bend Valve Presta Wheel-Brake Comp

Wolf Tooth Components Semi-Internal EC44 Premium Upper& Lower Headset Black MFPN=B603AA 25.4 SILVER A pressure release button allowsPremium Wolf Tooth headset allows shift and brake housing to run internal below the stem Five layer weather sealing to keep internals clean include: Custom molded captive rubber seal at the cable entry ports, custom overmolded dual lip crown race seal interface with frame or EC44 cup, steer tube o ring seal, silicone dual lip bearing seals Enduro stainless bearings 7. 8mm upper stack Made in MN, USA Model Semi Internal Aero Headset S. H. I. S. EC44