Universal bottle holder for bicycles. No drilling required. Base for conversion. ROCKBROS Windbreakers RAINPROOF DESIGN: The adhesive zipper

RAINPROOF DESIGN: The adhesive zipper for the bike saddle bag can be closed all the way to the bottom corner to keep out rain when riding in wet weather

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Pedal axle: Cr-Mo

Universal bottle holder for bicycles. No drilling required. Base for conversion. ROCKBROS Windbreakers RAINPROOF DESIGN: The adhesive zipperROCKBROS Universal Bottle Cage for Bicycles No Drilling Required Base for Conversion Attention, cyclists! The ROCKBROS adapter is ideal for those who don't need a separate bottle cage. Simply attach it to your bicycle and carry your drinks with ease. No drilling required. It's compatible with MTB, road bikes, and mountain bikes. Easy installation, no additional modifications needed. Key Features Included in Delivery The bicycle bottle cage adapter