GT913 Part F5-OP (2pcs)
The new GT913 upgrade part kit increases the distance of the 2 axes of the wheels by 5mm.
The gear has been modified from the Original 48T to 44T.
The new GT913 upgrade part kit increases the distance of the 2 axes of the wheels by 5mm.
The gear has been modified from the Original 48T to 44T.