The Ground Control antirocker grindwheels can be used in any skate frame. They do not need bearings.
there are 4 grindwheels in one set
More from this brand : Ground Control
Information about grindwheels
Category : grindwheelsGrindwheels are used in Aggressive Inline skates. They are small wheels that usually do not roll at all and are put in place because the skater wants more room in their frame to grind over obstacles like curbs and rails