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Wheel description TR polyurethane tread; hardness 95+/-3 Shore A. Polyamide 6 centre. Plain bearing bore or roller bearing bore The plain bearing bore results from a hole in the material forming the centre of the wheel and contains the axle. In the roller bearing bore, the bearing housing is obtained by moulding and contains cylindrical roller bearings with polyamide 6 cage. 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. |