15-inch: 15Ã8 with 4-1/2-inch backspacing front and rear. With some tires the rear shocks will have to be mounted inboard; if you do that, some combinations of 9-inch rear wheels will work with 5-1/2-inch backspacing. 16-inch: 16Ã8 with 4-1/2-inch backspacing front and rear.
Definition of turf for Students. 1  1 : the upper layer of soil bound into a thick mat by roots of grass and other plants. 2  2 : land covered with grass. 3  3 : an area that is or is felt to be under an individual's control Fluffy won't allow any other dogs on his turf.
Playing on Turf. Turf, or Astroturf, is an artificial grass material used for sport fields in soccer, football and baseball. Turf consists of two parts, the artificial grass blades and the mat to which they are attached. The artificial grass blades are tougher than normal grass and the turf mat is impermeable.