This adjustable bottle holder is designed to fit bottles ranging from 45 to 86 mm in diameter, featuring a flexible grip that ensures secure retention during rides. Constructed from premium polycarbonate, it offers exceptional durability while remaining lightweight. The ergonomic side-entry design allows for quick and easy access, making bottle insertion and removal smooth and convenient while cycling. Its heavy-duty base with adjustable mounting points provides a secure and stable installation on the bicycle frame. Versatile in use, it is compatible with most mountain bikes, road bikes, and cycling frames, offering reliable hydration storage for every ride.