... quick release 2.Model DQ-QRB07 3.Material: alloy 4.color: any colo bike alloy quick releaseseat clamp Name ... bike,Chute board,Trampoline etc removable machineA quick release skewer is the rod, threaded on one end ... on a bicycle. Wheels equipped with quick release mechanisms can be removed from the bicycle frame ... hex nuts. On the negative side, a quick-release hub renders a wheel more vulnerable to theft. ...