Description The bike bottle cage adapter is convenient and practical, with excellent texture, and can serve you for a long time without being easily damaged. The exquisite craftsmanship can serve you well without breaking easily. This bike bottle cage adapter is a very practical and reliable for your needs. Features -Color:Black -Material:Aluminum alloy -Size:7.80X5.50X2.50cm/3.07X2.16X0.98in diameter: 19-33mm - Suitable for motorcycle bumper/handlebar, bike handlebar/seat post and electric bike handlebar. - This Bottle Holder Cage Mount Adapter allows your bike, motorcycle or electric bike to mount bottle holder. - Adjustable design, not easy to rust, not easy to deformation, it is convenient to use. - Small and compact size, light in weight, you can carry and use it wherever you go. - Special design and fine craftsmanship, the best replacement for your old, broken one. Suitable for motorcycle bumper/handlebar, bike handlebar/seat post and electric bike handlebar. This Bottle Holder Cage Mount Adapter allows your bike, motorcycle or electric bike to mount bottle holder. Adjustable design, not easy to rust, not easy to deformation, it is convenient to use. Small and compact size, light in weight, you can carry and use it wherever you go. Special design and fine craftsmanship, the best replacement for your old, broken one.