Uni Base:Universal frame adapter for tubes with a diameter from 28 to 62 mmEvery bike needs a bottleok. But what to do if the bottle cage mounts are used already for other puposes like battery packs for the overnighter lights, bike bags etc. Or if your bike doesn´t have any bottle cage mounts at all? No worriesthe Fidlock TWIST uni base is here! Now you are free to place your Fidlock TWIST bottles anywhere you want. Just choose your favorite spot and mount the Fidlock TWIST uni base easily with two soft and reclosable zip ties. The smooth rubber back of the TWIST uni base protects your frame against scratches and helps holding the TWIST uni base in place. Fidlock TWIST uni baseanother step into individual bike pleasure. Individual mounting at bike frames for all TWIST bottles Maximum freedom of choice where to place your bottle Safe fixation by soft and reclosable zip ties Rubber back for perfect frame protection Easy handling TWIST technology Magnetic guide and mechanic locki