Acor 6061 T6 Alloy Triathlon / Time Trial Aero Tri Bars for 31.8mm Handlebars - Lightweight Triathlon/Time trial handlebar extensions. - Made from 6061-T6 double butted aluminium. - Compatible with 31.8mm clamp handlebars. - Length and angle adjustable. - Arm holder position adjustable. - Length: 345mm. - Replaceable EVA foam pads. - Weight: 590g. Note: Handlebars are not included within the image.