Dom Gorilla Clip - Huge Bike Frame Adapter, Fit Dom Gorilla Cage, Monkii Cage, Monkii Mono, Monkii Wedge UPGRADE TO 3M VHB PAD which provides great ADHESION Great solution for bikes without mounting holes, bosses, bottle-threadetc Easily attached to fork, frame, handlebars, seat tube, or down tube Allow you to mount extra cage/wedge/bag...etc. Wide range: fits diameter 24mm  42mm tube