galvanized sheet steel housing, screwing by plate with hole pattern 80/77 x 60 mm, housing with material strength 2.0 mm (fitting) and 2.0 mm (fork), clearance between the fork 52 mm, wheel rim made of polypropylene with a tread made of polypropylene white colored, hub width 50 mm, central ball bearing, screwed wheel axle (incl. all axle material).
gentle to the ground,traceless
low start resistance
low roll resistance
temperature range from -20C░ to +60C░