Losi 12 x 18 x 4mm Ball Bearing (2) LOSA6956 is compatible with LOS03000, LOS03001, LOS03004, LOS03005, LOS03006T1, LOS03006T2, LOS03007T1, LOS03007T2, LOS03008T1, LOS03008T2, LOS03009T1, LOS03009T2, LOS03015T1, LOS03015T2, LOS03016, LOS03020T1, LOS03020T2, LOS03025, LOS03026, LOS04010, LOS04011, LOSA0051, LOSB0021, LOSB0104, LOSB0104BD, LOSB0104T1, LOSB0104T2, LOSB0126, LOSB0127, LOSB0128, TLR0129, TLR03000, TLR03008