1. This bicycle water bottle cage adapter is suitable for electric bike bumpers and can also be used on bicycles, allowing for flexible use in different scenarios. It is made of aluminum alloy, which is sturdy and durable. It can withstand various frictions and collisions in daily use, ensuring that it will not deform or break during long - term use. 2. In terms of specifications, its model is SHJ01. It is reasonably designed with precise dimensions and can be stably installed on electric bike bumpers or bicycles, providing stable support for placing water bottles. 3. Whether you are a cycling enthusiast who needs to replenish water during long - distance rides or a daily commuter who wants to place a water cup, this adapter can meet your needs. With it, you can easily reach your water cup during the ride and replenish water at any time to maintain your body's water balance, making your ride more comfortable and safe. 4. It is a practical and essential item for cycling trips.