Weighing an ultra light 200grams (230grams with bearings) the hollowcore technology means you get the strength of twin plate arches with the lightness of air in the inner chamber.Matched with the classic high quality Root Industries PU formula that is known for it's speed and strength so you know you are getting a premium wheel.Professionally pre-fitted with the super fast Root Industries Abec 11 Bearings the new AIR wheels give you high quality and value for money.