p>Optimized for both side and direct bottle entry the Aluminacage provides easy access to hydration, especially on smaller frames and those with tight angles. Thin-but-strong arms flex for easy bottle insertion and removal, at any angle. Worry free hydration when speed matters./p>\np>The new Alumina aluminum cage (27g) shares the same innovative sleek design as the carbon SLSpeed cage and challenges any titanium cage costing twice as much./p>\np>Alumina cages are both designed for seat tube or down tube mounting on road, cyclocross and mtb frames./p>\np>Material: AL6061 aluminumbr />Weight: 27g without bolts/p>