The Retroarms gearbox is made of 7075 true aircraft alloy. All Retroarms gearboxes come standard with a CNC spring guide and mag terminals.
These gearboxes are made by a well established and world famous CNC company in the Cheq Republic using Italian 7075 alloy.
These Retroarms gearboxes don’t bend or crack like cheaper 6000 series gearboxes.
We back the quality of these gearboxes with a 24 month warranty for manufacturing defects,