H50178QA
Align/T-Rex Helicopters 500X 500PRO DFC 500E Slant Main Drive Gear/134T(1)H50178QA
1-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 (H50168). This precision CNC machined module 0.7 main gear provides minimal noise and a high energy transfer efficiency.