Align T-REX 450L TOP 450LP RC Helicopter Dominator Super Combo Align T-REX 450L TOP Helicopter Specs Length: 705mm Width: 110mm Height: 205mm Main Blade Lenght: 360mm Tail Rotor Diameter: 171mm Main Rotor Diameter: 804mm Autorotation Tail Drive Gear: 106T Main Drive Gear: 121T Motor Drive Gear: 11T Tail Drive Gear: 25T Drive Gear Ratio: 1:11:4.24 […]