Using the popular round profile, the 60mm 85a wheel is the smoothest ride on the market. 60mm is ideal for riding antirocker on all sizes of Balance frames as well as most other low profile frames on the market. The 85a softness provides a ride with unmatched comfort and shock absorption, gripping to the transition like never before.Sold in packs of 4, but we highly recommended you ride them flat. These wheels are soft and will wear faster and have a high chance of decoring if skating antirocker. Sold in packs of 4, but we highly recommended you ride them flat. 50/50 is the oldest brand to make replaceable aggressive inline skate frames. It has been revived in recent years by Lawrence Ingraham. Follow him on his youtube page:http://www.youtube.com/backtoblading More information about the 50/50 brand can be found here:https://www.balancedist.com/shop-50-50/5050-58mm-85a-wheels More information about wheels in general here:http://thisissoul.com/general-info-on-inline-skating-wheels The width of inline skate wheels are always the same, If you are not sure these wheels will fit your skate, you can always contact us
