Bush bearing bore or roller bearing boreIn the bush bearing bore, the hub contains a bush made of polyamide 6 with molybdenum disulphide to make it self-lubricating.
In the roller bearing bore, the bearing housing contains cylindrical roller bearings with polyamide 6 cage.
AxleAxle composed of ground steel bush with 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.