Spoke wheel with PU tyres, racing profile, plastic rim, wheel xW 290 x 60 mm, black, 4+ items. Supplied = assembled. Max. load at 4 km/h = 60 kg. Wheel width = 60 mm. Wheel bearing = ball bearing. Wheel material = polyurethane. Material of rim = plastic. Number of spokes = 6 pcs. Tyre profile = racing profile. Hub bore = 12 mm. Hub length = 54 mm. Shore hardness = 70° Shore A +10/-5° Shore A. Temperature resistance = +10 °C to +30 °C. Rim colour = black. Running surface colour = black. Installation length = 46 mm. Product type = spoke wheels. Feature = puncture proof, ball bearing deeper on one side. Puncture proof PU tyres. 6 spokes.