If your thread inserts are already blocked or your bike does not even have any, the TWIST products can be mounted to the bike with the TWIST uni base, the universal bottle holder. It can securely fastened with the aid of two zip ties. On the top tube, the down tube, or the saddle tube - the TWIST uni base can be attached anywhere on the frame. - Compatible with frame tubes with a width of 28-62 mm - Rubber back for frame protection - Compatible with all TWIST Bottles - Attach and detach with ease