After the purchase you will receive 1 pair of 120x24mm pro scooter wheels with ABEC9 Bearings Installed  Please check your pro scooter to ensure that 120mm wheel will fit it before ordering High strength lightweight 6061 T6 aircraft grade aluminium honeycore tested repeatedly by the riders to ensure longlasting durability 88A high rebound premium urethane excellent shook absorbtion and fast speed ABEC9 bearing better than ABEC5 or 7 bearings seen commonly in the market for smooth ride and more scooter tricks performance Lightweight 045kg 1 pair2pcs easy installation compatible with most pro scooter brands If there is any problem please contact us without any hesitation Limit promise to solve the problem with you together