Wheel descriptionInjection polyurethane tread; hardness 85 Shore A. Thermoplastic centre.
Hub with ball bearingHub with double shielding ball bearing, co-printed in centre (diam. 80-125 mm). Hub with double shielding ball bearings (diam. 150-200 mm).The bearings are protected from dirt, machining residue and corrosive substances by a glass-fibre reinforced polyamide installation bushing with internal labyrinth seal. Diam. 250 mm: hub with shielded ball bearings with interference assembly in the seats obtained by centre moulding.
AxleAxle composed of bolt according to UNI EN 24017 and nut according to UNI EN 24032.
Swivel top plate bracket type NLSwivel top plate bracket type NL. The plate, the ball race ring and the fork are made of pressed steel zinc plated finish; swivel actions: double ball greased race with dust protection seal made of polyethilene. The king pin is integral with top plate and duly rivetted.