Wheel descriptionTR-ROLL polyurethane wheels, hardness 75 Shore A; core made of cast aluminium.
Ball bearing boreThe housing is obtained by moulding and contains ball bearings series Z.
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 PSwivel top plate bracket type P. The plate, the ball rice ring and the fork are made of pressed steel zinc plated finish; swivel actions: double ball greased race with dust protection seal made of nylon. The king pin is made of steel bolt series 8.8 and nut.