* CNC Machined from 6061 Aluminium. Anodised in 10 colour options.* Expanding silica plug fits most MTB, Gravel & Road Handlebars with a larger than 17mm inside diameter.* Supplied with 17mm, 19mm and 21mm silica plugs to fit different handlebar diameters* Screws into bars using a just a 4mm Allen key* Plugs and Repairs multiple holes that wont seal with just sealant* Compatible with most open-end grips and drops bars with a 84mm straight section at the bar end.* Dimensions 89 x 27 x 27mm* Weight: 33g per side (excluding tyre worms)