Tamiya made 10mm Dia. Guide Roller Ball Bearing Set Limited Edition Grade-Up Part (94617) Mini 4WD Spare Parts
To provide Mini 4WD lovers another substitute for modify their devices, Tamiya releases this limited edition set of ball bearings. These will certainly reduce rotational friction for smoother, better procedure. This Grade Up part is actually the same as ITEM 15345 DR 11mm Ball Bearings (2pcs.), except the diameter is 1mm smaller.
*Compatible Chassis: Any Mini 4WD