Wolf Tooth Components Semi-Internal EC44 Premium Upper& Lower Headset Black MFPN=B603AA 25.4 SILVER high-engagement 90pt driver with a

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

Integrated 4-arm

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

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

5"/29" Steerer (Stem/Race) Steerer and Crown Sold Separately Offset 46-58mm Travel 200mm Spring Type Air Brake Mount Disc Only (PM-200) Dropout 20x110mm Boost Weight 2715g (without Crowns and Steer Tube) Color Black Suspension Type Air

Wolf Tooth Components Semi-Internal EC44 Premium Upper& Lower Headset Black MFPN=B603AA 25.4 SILVER high-engagement 90pt driver with aPremium 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