TAMIYA 15111 Mini Round Hole Ball Bearing Set (4pcs.)

TAMIYA 15111 Mini Round Hole Ball Bearing Set (4pcs.) Description Center race of the ball bearing is round. Used in gear box. Provides smooth motor rotation. 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.