Tooth, Mod 0.5 Pitch, Main Gears, and are intended for use with the Align T-Rex 450 family of helicopters. This main gear features a super strength plastic-steel material that provides reduced weight, ...

300X Main Drive Gears, intended for use with the T-Rex 300X RTF Electric Helicopter. Features: Use for T-REX 300X Polyoxymethylene material Must with Motor Pinion Gear 14T (AGNH30G003XX) This product was added ...

78 Tooth Main Drive Gear, intended for use with the Align 100S, 100X and 150 helicopters. This updated design features solid structure to help increase gear torsion strength and avoid deformations under ...

121 Tooth Slant Thread Main Drive Gears, and are intended for use with the Align T-REX 450 series of helicopters equipped with the optional Align 12 Tooth Helical Motor Pinion Gear (AGNH45157). ...