Si las bicicletas son de Montaña (MTB) se tienen que acomodar de forma intercalada (sostenida con la llanta delantera y la siguiente sostenida con la llanta trasera). Seems like a possible fail if the screw accidentally becomes loose. Impressed with the noise-canceling mic and I think I have never been heard so well. Have used and bought quite a few wireless headsets since the pandemic and by far this is the best one. It works as described Regards,-B. While they will last forever, it?s like winning free rusty guitar strings for life. The leather pads fit snugly on any size ear,unlike most over-ear styles. They are so cute and comfy! One of the features of the boots is their slip resistance on oily surfaces.