Proven millions of times, hot-dip galvanized tubes, ergonomically shaped knob, crank smoothly, extended version.
 
 
Further specifications:
Support capacity static max: 150 kg
Support capacity dynamic max: 90 kg
Corrosion protection: hot-dip galvanized
Crank: with thrust bearing
Wheel: 215 x 65 mm
Wheel bearing: plain bearing