Complete 22 piece Ceramic Bearing upgrade kit by World Champions ACER Racing | Sealed on both sides with no contact seals | Proprietary inner tolerances for highest speed, lowest heat and lowest friction | Diamond polished super lightweight Ceramic Nitride Pro Series balls | Oiled with 100% Synthetic ACER Racing SIN oil
Item# : SPM18080081704
Model # : RNAB01MQCZ22J