Bicycle Frame Headset Converter | Exposed Headset 44x44x39.8mm This tapered headset converter is designed to fit bicycle frames with a 44x44x39.8mm head tube, allowing smooth integration of a tapered fork (1-1/8″ to 1-1/2″) into a straight 44mm frame head tube. Made from high-quality aluminum alloy, this exposed headset ensures durability, corrosion resistance, and reliable performance. […]