Wolf Tooth EC44 Semi-Internal Aero Headset - Stainless Bearings, Weather-Sealed, Black, CNC Machined, for Mountain and Road Bikes

For frames with EC44 Standard Upper Stack Height: 20.1mm Lower Stack Height: 12.25mm Head Tube Inner Diameter: 44mm 52mm 36x45 Upper/Lower Bearing Weight: 73g Upper/Lower 47g Included: Enduro Stainless Steel Bearings 0.3mm Plastic Shims (for Headset Adjustment) Low Stack Height Design Upper 20 .1mm, Lower 12.25mm low stack height design provides a slim, beautiful cockpit line. LIGHTWEIGHT CONSTRUCTION With a lightweight design weighing only 4.2 oz (120 g) for high performance in a semi-integrated cockpit. Enduro stainless steel bearings with large diameter balls and high pressure waterproof grease

• Wolf Tooth Components Semi-Internal EC44 Headset features stainless steel bearings for enhanced durability and smooth performance on demanding rides.
• Engineered with a five-layer weather sealing system, including custom-molded rubber and dual-lip seals, this headset offers superior protection against dirt, water, and debris, ensuring long-lasting reliability.
• Designed for optimal performance and precise steering, the semi-internal EC44 configuration allows shift and brake housing to run internally below the stem, reducing cable clutter and improving aerodynamics.
• Constructed in Minnesota, USA, with attention to craftsmanship and quality, this blackened alloy headset boasts a sleek, versatile style suitable for aggressive trail riding, enduro, and mountain biking applications.
• Compatible with EC44/28.6 and EC44/40 stem clamp diameters, the Wolf Tooth semi-internal aero headset features a 7.8mm upper stack height, offering a seamless integration for modern bike builds and custom setups.