Granite Portaledge Strap Mount XEPortaledge XE adds a lightweight, rock solid, and kind on paint stash to your bike frame, sitting alongside your water bottle. With room for a tube, CO2 and tyre levers it guarantees youll never be left stranded on the trails. Note: Portaledge XE requires a fist sized space behind your water bottle in order to fit. Making use of your standard bottle bosses, Portaledge weighs just 50g and mounts alongside your water bottle cage. It is made up of a