Whether you're replacing trailer brakes or installing some on a new brake axle, these are easy to work with from start to stop. 10" x 2-1/4" Assemblies fit 14" to 15" wheels ... distance: 2-7/8" apart on center Wheel size: 14", 14-1/2", and 15" Axle rating: 3,500 lbs Limited 5-year warranty Quick Tip: There's really not a whole lot to getting new drum brakes