Ready for use on road, city and mountain bikes with a 31.8mm clamp diameter, compatible with 31.8mm handlebars. Available in various lengths. This stem features a 6061-T6 cast body construction and a 4-bolt dual band clamp that retains stiffness and reduces weight. An opposing 2-bolt steerer tube clamp with M5 corrosion-resistant steel bolts provides secure mounting. Blendr-ready for seamless accessory integration, it is compatible with Blendr Comp & Legacy Elite bases and mounts (sold separately). Suitable for use on carbon steerer tubes and handlebars. Weights vary by length: 137g in 60mm, 154g in 70mm, 168g in 80mm, 183g in 90mm, and 199g in 100mm. It's a perfect pairing with the Bontrager Comp Handlebar 31.8.