ELEMENT 8mm Steel Bearing for 9mm Gearbox Versions

Essential part for upgrading your Airsoft AEG
To build a tight & durable gearbox
Design for high-speed operation & heavy load
Prevent cling by burning
Design for any 9mm Gearbox Version
Suitable for ALL AEG brand: Tokyo Marui, ARES, STAR, G&P, King Arms...

As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed