The Colnago HS2 Headset, a replacement headset featuring stainless bearings and industry standard sealing. Come complete with 5mm and 10mm tall upper caps to allow fine tuning of stem height for a perfect fit. Colnago’s manufacturing philosophy combines innovation, design and beauty. However, underpinning this lays a fundamental dedication to building bicycles with safety and longevity in mind. Consequently, one of the key features of the construction process at Colnago is an extremely rigorous use of new technologies.