With such small hand holes, I dont link any of the bracket style systems will work for you. A hub mounted system would be a better choice. The brackets are riveted to the center hub of your wheel simulator. See item --> Wheel Masters 8001 Stainless Steel 4 Hose Tire Inflators 16" To 19.5" Wheels Hub Mount
. Unfortunately, neither Dicor or Wheel Masters have specified which specific system to use for the sprinter chassis.