说明
Tyre & running tread: Made of high-quality elastic solid rubber, in smooth rolling quality, steel-wire reinforced, very high operational comfort, low-noise operation, low rolling resistance, very good floor preservation. Wheel Very strong welded steel construction, with tubular steel hub and grease nipple, lacquered. Steel-wire reinforced tyre, pressed-on. Bearing typeBall bearing: Two pressed-in ball bearings, lubricated with long-life g