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Wheel description TR-ROLL polyurethane wheels, hardness 75 Shore A; core made of cast aluminium. Ball bearing bore The housing is obtained by moulding and contains ball bearings series Z. Axle Axle composed of ground steel bush with bolt according to UNI EN 24017 and nut according to UNI EN 24032. Fixed bracket type NL Fixed bracket type NL. The fork is made of pressed steel zinc plated. |