Injection polyurethane tread; hardness 60 Shore D. Polyammide 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 composed of ground steel bush with bolt according to UNI EN 24017 and nut according to UNI EN 24032.
Swivel top plate bracket type NL
Swivel 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.