Manufacturer Description

Use for T-REX 700 Nitro.
Must with H7NG001AXW, M1 Torque Tube Front Drive Gear Set/21T.
Use for T-REX 700E/800E.
Must with H70G001AXW, M1 Torque Tube Front Drive Gear Set/22T

Specifications:
700N 104T M1 Autorotation tail drive gear set x 1
Gear Ratio 1:4.95