ROCKBROS Bike Cup Holder, 2-in-1 Bicycle Bottle Bracket Aluminum Alloy Water Bottle Cages, Universal Rotation Cup Drink Holders for Bike Handlebars, Motorcycle, MTB, Boat, Walker, Wheelchair, Stroller

VERSATILE: Are you still worried about not having enough space or holes predrilled to install a bottle cage? ROCKBROS 2 in 1 bicycle bottle cage solves these problems, it can be installed on your bicycle handlebars, bicycle seat post, or bicycle frame.

The hinged mounting system is quick and easy.

very practical and convenient, it is equivalent to buying two different bottle cages.

SUPERB STURDY MATERIAL: The mount is made of high-strength aluminum alloy CNC-machined, heat treated for a strong & lightweight design