Abstract: A cart for carrying a golf bag is disclosed, comprising, one or two brackets 100 installed in a golf bag 1; a pair of insertion plates 200 detachably installed in the bracket(s) 100; a pair of bearing parts 300 installed in each of the insertion plates 200, each of the bearing parts 300 having a first bearing 310 and two second bearings 320, the second bearings 320 being located in both sides of the first bearing 310 at suitable intervals (T) and each having at least two keeping grooves 323 in the circumference of shaft holes 322 in the inside surfaces 321 thereof, two pairs of shafts 400 each having at least one keeping protrusion 411 which is selectively inserted in the keeping grooves 323 to limit the rotation of the shafts 400 selectively, each of the shafts 400 being rotatably supported between the first bearing 310 and each of the second bearings 320; and a pair of leg parts 500 each having a wheel 510 and at least one V-shaped leg 520 whose branched upper ends are pivotally connected to each of the sha