Of course, since the progression curve of a coil shock (linear) is different than an air shock (progressive, flat in mid-stroke, then progressive again), you really can't go ride each on the same bike. If you design the bike for an air shock, you need to adjust the leverage curve to compensate. One of them is going to be kinda poor performing, or if the bike is designed to be a compromise between the two they are both going to be "meh". This review had good intentions, but just because manufacturers spec both coil and air shocks on the same...