Rollerbones Turbo Wheel Clear Aluminum Hub 62mm 97a 8pk - Clear - White - SaleTurbo Wheels: air Craft grade aluminum extruded machined hub oversized shape and low profile tire provides a superior feel and maximizes your roll tire chemically bonded to the core to prevent any delimitation or shifting of the tire giving you a more responsive and reliable wheel tire made from a proprietary formulation that is developed in house at the RollerBones factory in Santa Barbara, California, USA high rebound, abrasion resistant urethane