[High-quality material]: The bottle cage is made of high-quality ABS plastic and metal fittings, which is very durable, strong and light. With toughness, normal use will not destroy its super toughness. It is the perfect bicycle accessory. [Size]: The bottom diameter is 7.5cm. Suitable for most water cups, beverages, thermos bottles, etc. The bottle cage is suitable for pipe diameters of 1.5-4.2cm and can be installed on handlebars, down tubes, front forks, rear forks, front tubes, etc. [Wide use]: The bottle cage is suitable for mountain bikes, bicycles, strollers, wheelchairs, etc., and can be used to place milk bottles, water bottles, beverages, juices, etc. [360 degree rotation]: It can be rotated 360 degrees. No matter where you install the bottle cage, you can place the water bottle up. [Easy installation]: Just place the cup holder where you want, and then tighten the screws. Product Features: -Item type: Universal durable bicycle bicycle bottle cage. -Suitable for all types of bicycles, including mountain bikes, road bikes, folding bikes and electric bikes. -The diameter of the bottle cage is adjustable, suitable for holding water bottles, coke cans, mineral water bottles, etc. -The design is simple and practical, light weight and durable. Package includes: 1* Universal bicycle bicycle bottle cage (black)