This is a pack of two optional Align 134 Tooth Slant Thread Main Drive Gears, and are intended for use with the Align T-REX 500 helicopters when equipped with the optional Align 12 Tooth Helical Pinion Gear (AGNH50168). This precision CNC machined module 0.7 main gear provides minimal noise and a high energy transfer efficiency.

Needed To Complete:

• AGNH50168: Align 12 Tooth Helical Pinion Gear