This is a Tamiya 54875 TT-02 Oil Gear Differential Unit, also known as Hop-Up Options OP-1875. It is an oil-filled gear differential unit for TT-02 chassis setup and tuning. The unit uses a gasket-sealed design and includes #3000 silicone oil for adjusting differential action.
The Tamiya 54875 TT-02 Oil Gear Differential Unit OP-1875 RC Spare Part is an ideal choice for model aircraft enthusiasts upgrading their RC gearboxes.
