Ice Crackle Finish Bike Water Bottle Holder and Adapter Combo - Black Universal Bottle Cage Mount Kit Adjustable No Drill Bracket for Road Mountain Hybrid Bicycles

Securely holds 18-30 oz or 550-800ml bottles (, , , Tacx, and more) Adjustable design fits diameters from 19-22mm and 30.8-33mm for wide compatibility Quick and simple installation with included Allen key - no drilling required Mounts on handlebar or seatpost for convenient placement Corrosion-resistant aluminum alloy construction for long-lasting durability