There is a rubber coating around the magnet so that the hook is non-slip

Rød gør sig godt

If the bicycle has a very rounded frame

but this MagHook is plenty for most people

Ikke en magnet

Gummimagnet, Skive 22x6 mm. Auto-translated (NO) There is a rubber coatingRubber magnets Water proof magnets Diameter: 2. 2 cm Height: 0. 64 cm Strength: approx. 3. 9 kg. The rubber magnets consist of a neodymium magnet in a rubber shell, which means that the magnet can be used outdoors or in an aquarium without rusting. Please note: The rubber magnets may leave a dark stain on a surface if rubbed on it. However, these stains are often easily removed with a damp cloth (not colour resistant). SPECIFICATIONS: Strength: