描述
Tyre & running tread: Made of highly heat-resistant silicone rubber, very high operational comfort, low-noise operation, highly elastic, very good floor preservation, high abrasion resistance, characteristics that do not degrade over time, vulcanised on the wheel centre. WheelPOSI series: Made of high-quality, impact-resistant, highly heat-resistant nylon, grey. ALSI series: Made of die-cast aluminium. Bearing type: Plain bore: corrosion-