2-in-1 DESIGN: With handlebar mount bracket, provide you 2 way installation choice, you can install it on bike frame and mount it on bike handlebar or seatpost by bracket. very convenient and practical, it is equivalent to buying two different bottle cages. HIGH QUALITY: High quality aluminum alloy material, lightweight, durable. There's no need to worry about it falling off during your ride. The smooth surfaces of the bike bottle holder will keep your bike secure. EASY INSTALLATION & FREE TOOLS: Easy to install and remove, can be 180 degree rotation. Free installation tool and two pairs of free screws. WIDE APPLICATION: You can place it virtually anywhere on your bike: handlebars, highway bars, seat post or other locations and it also fits most motorcycles, ATVs, rollators, fishing umbrellas.