Fidlock Vacuum Handlebar Base Flex I Ain't Gotta Flex, Boy I Got It, Ooh, Ooh, Ooh, Ooh The Fidlock Vacuum Handlebar Base Flex offers a brilliantly simple solution for anyone who wants to keep their smartphone securely in view while cycling. Thanks to the combination of magnetic force and suction, the device stays firmly attached to the handlebars, yet can be easily operated, released, and re-secured with just one hand. The phone can be easily connected to the holder via magnetic guidance and reliably holds the smartphone on the base. When under high pressure, the hold is additionally secured by the force of the suction cup through a vacuum. The magnetic force ensures the centering of the smartphone, so the suction force always grips. The smartphone is released by simply operating a lever on the side of the handlebar holder. Features Designed to fit bar tubes up to 40mm in diameter Fits all Vacuum cases so you can always use your phone Your smartphone can be operated with one hand and is rotatable by 360deg, while a ratchet prevents it from rotating | Fidlock | Vacuum Handlebar Base Flex Black