The Villain One20 120mm Hollow Core scooter wheels have a sleek modern design and are made from durable aircraft grade aluminium and super high rebound polyurethane which makes them extremely tough. The combination of the 120mm size and the 88A hardness means they have excellent shook absorption, and are FAST! The Villain One20 120mm Hollow Core wheels use precision ABEC (Annular Bearing Engineering Committee) bearings that are manufactured for use in very high precision equipment typically operating at very high rotational speeds, so these will ride smooth and last. The aluminium core is finished in a shiny Blue surrounded by Black super high rebound polyurethane so these wheels really stand out. These wheels are also super easy to install and will fit all the popular brands of scooters including; Fuzion, Envy, Root Industries, Tilt, Vokul, Swagtron, Lucky, Razor, MGP pro scooter and all scooter forks that fit 120mm wheels. Specifications High Quality Scooter Wheels 120mm Diameter x 24mm Profile Width 6061 T6 Aircraft Grade Aluminium Core Super High Rebound PU 88A ABEC9 Bearings 274 grams wheel / 9.66 Ounces