Ergon BT Orthocell Pad Set – Black. The BT Orthocell Pad Set provides a simple under-bar-wrap upgrade for enhanced damping and excellent pressure distribution for all road cyclists. More damping better pressure distribution. The pads are made of orthopedic high-performance foam which significantly increase comfort on road bike handlebars. The high-end German-made OrthoCell material relieves the hands and wrists in every grip position and reduces discomfort.