In this image you can see the eccentric and conically shaped axle head of the IDS-X dropout. This design allows for pinch bolt like tightness of the rear without the need for pinch bolts. The IDS-X dropout is simpler, stiffer and lighter than a traditional setup. In addition, the axle head "keys" into the frame creating a stronger connection than a traditional round interface would to better resist the lateral flex in hard cornering situations. We eliminated complexity and weight while at the same time adding cornering traction.