Element- 9mm Steel Ball Bearing - IN0208ELE-IN0208
9mm steel bearing for all gearbox versions.
High durability bearing against high-speed operation & heavy load.
Note: As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed .
Material - Steel
For KWA, King Arms, Matrix and other 9mm Airsoft AEG gearboxes