Clip-On without Extensions is a combination kit to build up suitable 31.8‑mm diameter bars with aero extensions. The kit comprises clamps, new comfort cradles and silicone pads, and all fixing hardware. Choose extensions from the 3T Extensions range comprising S-Bend, Straight, Ski-Bend, Short Ski-Bend, and Wrist Comfort Bend, in AL-alloy and carbon-fiber. Stack height can be adjusted in the range 57–87 mm using the Riser Kit (separately available). Clip Ons must not be fitted to any Ltd road bar model except Aeronova Ltd and Aerotundo Ltd.