The Fidlock Twist Bike Base Adapter is a sleek and compact magnetic cycling bottle holder designed for Twist-bottles. The adapter seamlessly integrates into any bike frame, eliminating the need for traditional bottle cages. Its cage-free system allows even the smallest frames to be equipped with a water bottle, making it a versatile choice for cyclists. Magnetic attachment ensures secure bottle holding Compact design fits seamlessly into any bike frame Cage-free system accommodates small frames Easy installation and removal of bottles Lightweight construction for minimal added weight Weight 16 g Dimensions Width: 6,08 cm Height: 10,6 cm Length: 24,8 cm