Bike bottle conversion base: water bottle cage mounting accessories, non hole mounting mounts can also be used for scooters and motorcycles. Installation: Easily installed on the bike handlebar or seatpost, which can better protect the frame from wear and tear. Material: Made of aluminum alloy, non slip design, wear resistant, durable. Suitable for: suitable for road bikes, mountain bikes, etc. PERFECT GIFT: Gift for someone who needs to install a bottle cage.