Key features

• •6061-T6 HEAT-TREATED ALUMINIUM ALLOY: Made of High quality Aluminum Alloy, the bottle holder is lightweight but durable, super strong, 2.1 oz (61g) each.
• •4 X M5 x 12 SCREWS INCLUDED:The screws are standard size for water bottle mounts to most of bicycle with DRILLED HOLES.
• •EASY INSTALLATION: Use the included 4mm hex key to fasten the included standard sized screws in screw holes, and washers are suggested for tight fixing, it will be more tight, also can avoid scratching the frame. PLEASE NOTE - bike frame requires threaded holes for installation of cages.
• •FIT MOST WATER BOTTLE: 26 OZ water bottle can fit snugly; max bottle diameter is 3"(762mm). Cages can be bent to open or close to fit the size of the bottle. The arms of the bottle cage can wrap around the bottle and hold it firmly, so no worry about falling during riding.
• •BUY IT 100% RISK-FREE - YOU WILL GET: 2* water bottles cages, 4 * screws, 1* 4mm hex key. GREALLTHY backs this bike water bottle cage with a LIFETIME no-hassle guarantee, if you EVER have any issues with it, GREALLTHY will either replace it or issue you a full refund.