Wolf Tooth Components Semi-Internal EC44 Premium Upper& Lower Headset Black MFPN=B603AA 25.4 SILVER an automatic terrain selector

an automatic terrain selector

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

high-engagement 90pt driver with a tunable anti-pedal kickback system designed into the hub to maximize pedal efficiency

Bag Dimensions in inches 31

Integrated 4-arm

Wolf Tooth Components Semi-Internal EC44 Premium Upper& Lower Headset Black MFPN=B603AA 25.4 SILVER an automatic terrain selectorPremium 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