Uneven Bars - All American - Standard Cable 4 CableNatural Fiber Competition Rails [P121 100A] Gas spring assisted height adjustment Built in levers on high bar uprights allow easy height adjustment without using a block Includes both American and FIG markings Low Bar adjusts from 155 to 185 cm in 5 cm increments Cable attachment points efficiently allow bar adjustments without altering cable length Built to FIG, USAG and NCAA specifications Replacement Rail Recommended: P121 100A