6061 ALUMINUM ALLOY This Water bottle bracket adapter is Made of high-quality 6061 aluminum alloy material,Comes anodized in Black, Blue,Red and Gold,colorfast surface,great anti-corrosion,long service life.
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EASY INSTALL Mounted water bottle holder on handlebar, seatpost in less than a minute .the holder can turns 90 degrees to suit mounting position.2 adapter pads let you customize your bike mount from 19-22mm and 30.8-33mm,Suitable for most kinds of road and mountain bikes.
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SECURE & STURDY Our bicycle seatpost adapter is secured with double screws, Holding Power Keeps The Bottle in Place When Riding Over rough Terrain, so you dont have to worry about it falling out while biking.
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