Tamiya 15111 Round Hole Ball Bearing Set

★These ball bearings give smooth counter gear rotation for greater efficiency. ★They feature 2mm holes. ★Compatible with Mini 4WD car high speed (4.2:1, 4:1), high speed EX (3.7:1) and super speed (3.5:1) gear set counter gears. ★Cannot be used with Mini 4WD PRO cars.