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Wheel coated with polyurethane, low-noise operation, low rolling resistance, good floor preservation, high abrasion resistance, high cut and tear propagation resistance, non-marking, very good chemical connection with the rim. Rim of mechanical cast iron. Hub on shielded ball bearings with central spacer.

Wheel made of high-quality reaction-injected polyurethane-elastomer Extrathane®, low-noise operation, low rolling resistance, very good floor preservation, very high abrasion resistance, high cut and tear propagation resistance, non-marking, non-standing, very good chemical connection with the rim. Rim made of rugged cast iron. Hub on plain bore keyway in acc. DIN 6885.