TAMIYA 15345 11MM BALL BEARINGS (2PCS) - Ball bearing indispensable as a guide roller. We set up 2 ball bearings with 11 mm outer diameter, 4 brass bushes and 2 mounting screws. - Size: outer diameter 11 mm, thickness 4 mm - Adaptive model ยท parts: Evo chassis, Type 2 chassis each car tamiya original part