Complete wheelset to scooter Basic features: Diameter: 100 mm Shaft diameter: 8 mm Ball bearings: abec 9 Hardness: 88a Material: pu These wheel is made of one mixture of polyurethane with one hardness on 88a past, the laws is equipment with some of dè fastest ball bearings: abec 9. Dè works great on tough surfaces as asphalt.
