Granite-Design Portaledge XEMaximize Your Bike's Functionality Running out of storage on your bike? You can always add more with a Granite-Design Portaledge XE. The Portaledge XE is a dual-purpose accessory that combines a water bottle holder with additional storage for essentials such as tubes and CO2 cartridges. This easily attaches to standard bottle bosses using a hex key and is the perfect solution for cyclists looking to carry more without adding bulk. Features Portaledge XE requires a fist-sized space behind your bottle in order to fit Lightweight at only 50g Bolt the plate in place and use the strap to easily stash your essentials on your frame Made from a durable 6061 aluminum with a 30mm silicone-coated hook and look strap Plenty of room for a tube, CO2, and tire levers | Granite-Design | Portaledge Xe Black | Aluminum