ProComp-2 (27.5 X 16mm) 21mm rim

Pro Comp-2: Ready for the rear wheel axle
made of soft foam rubber ~ 30 shore, for racetracks with moderate Gripp

SC 2624P with 27.5 mm wheel diameter, tire width 16 mm, with half-concealed rim flange inside diameter 20 mm, outside 21 mm, total width 18 mm rim, suitable for smaller vehicles on tracks with 1:24 mediocre grip!