Ahead stem swell-XR – a work of art in terms of design. In the development of the new SWELL-XR stem – the current technical possibilities have been fully exploited. What – they came up with is an absolute high light in terms of form, stability, and weight. -The expressive X design with its CNC-machined cut-outs make the SWELLXR – stem to a unique, distinctive piece of jewelry. The innovative – angle adjustment allows the handle height and thus the position of comfortably – up sporty free to adjust. -Steerer 28.6 – handlebar clamp Ø 31.8 mm – mounting type: ahead – material AL6061-T6 – angle-20 ° / + 40 °