Roulements roll line abec 9 speed max - axe 8 mm

  Speed Max is a bearing made of a specially treated steel of the latest generation patented by Roll Line. It offers the maximum smoothness, an excellent and constant speed and high-level performances. Designed for agonism, is open on one side to allow a good cleaning ABEC 9 8 internal spheres (the standard bearings generally have 7 spheres) axe en 8 mm