galvanized and blue passivated sheet steel housing, screwing by plate with hole pattern 48/38 x 48/38 mm, housing with material strength 1.5 mm (fitting) and 1.5 mm (fork), clearance between the fork 28 mm, wheel rim made of polypropylene with a tread made of thermoplastic rubber (95 ░ Shore A) grey colored, hub width 28 mm, plain 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░