it will hold up ok but i wouldnt spend alot of time running on that coarse gravel,way hard on the chassis and arms.It will have aftermarket after a wile. for your body alternatives ofna has ordered 100 proline crowd pleasers for the.5 and they fit the ST perfectly and you can order them from nitro house or ofna.Im running ofna 1/12 truggy dishesthey will fit the hyper and i would maybe run proline r3 buggystep pins should work great on the grass and in the loose rough stuff .the battery box is a little wider than a hard case 2s and is mounted on its side.im gonna put one of mikes in mine so i can lay it flat.