Upgrades your bottle cage mounts with a lightweight and rock solid stash for the riding essentials Room for a tube, CO2, and tyre levers it guarantees you'll never be left stranded on the trails Portaledge makes use of your unused bottle bosses where as XE mounts alongside your bottle cage Weighs 35g Made up of a tough AL6061 alloy plate with 30mm siliconecoated hook and loop strap