• Dual Hole Mounting: Equipped with dual mounting holes for easy installation on bicycles or fixed positions, ensuring stability and convenience
• Adjustable Base: The adjustable black knob allows for compatibility with sizes ranging from 5.5 to 7.5cm, offering versatile fitment for different devices
• Durable Nylon and Aluminum Construction: Made with high-quality nylon material and an aluminum alloy base for a lightweight yet sturdy structure, ensuring long-lasting durability
• Strong Bottle Holder: The bottle holder has arms that wrap around the bottle for a secure and firm hold so you don't have to worry about it falling out during your ride
• Quick & Easy to Install: With the accessories, easy to install the water bottle cage

Specification:

• Material: Nylon material, aluminum alloy base
• Installation: Rearview mirror
• Suitable size: mirror seat hole diameter: 10mm
• Water bottle cage size: length: 8.3cm, height: 17.4cm, diameter: 4.7-7.5cm, base size: 7.8x5.3cm, hole diameter: 1.8-2.6cm