Wireless Blips TT Shift Mounts. This is the new improved version for the original “45 Degree TT Mounts” with better ergonomics, better looks, and a easier installation. FEATURES: Very strong clamping mechanism (Mounts can be used as fingerhooks). One size fits all – The clamping reach minimal 18mm up to 22mm internal. Only 25mm insertion depth in the bars is needed. Large button area – The whole top cover can be pressed to engage the wireless blips Mount is always 100% in the center of the handlebar – thanks to the 3 sided clamping mechanisme. The best possible aerodynamic design. Extremely lightweight at 23.7 gram for the 2 mounts only (39.3 gram including blips). Ergonomic design – without any sharp edges. Optional installation tools.