説明
Tyre & running tread: Made of super-elastic solid rubber, tough and hard rubber core, steel-wire reinforced, very high operational comfort, good floor preservation. Wheel Pressed steel rim, pressed and bolted, with welded tubular steel hub, or pressed steel rim with reinforced rim version, zinc-plated, blue-passivated, Cr6-free. Bearing type: Ball bearing: Two pressed-in ball bearings, lubricated with long-life grease. Chemical resistanc