10mm X 28mm - MBS Scooter Bearings / Phase Two Retrofit (Set of 4)
High precision dirt scooter bearings with high speed lubricant. Retrofits MBS hubs (28mm OD) to Phase II Dirt Scooter axles (10mm OD). Not suitable for 9.5mm Royal dirt scooter axles.
Bearing Size 10mm I.D. X 28mm O.D.