Specifications:

Material: aluminum alloy (shell), Titanium alloy (gear)
Motor teeth:8T
Low Speed Gear ratio: 1:10.54
Compatible motor: 540,550/outer rotor (3.17mm shaft)
Output shaft: 5mm
Compatible base plate: SCX10 model (three hole)
Colors:Silver,Red,Black
Weight: 63.3g (including screws)

Package List:

1*Metal Transmission With Motor Gear/Gear Set

Note:

Only the above package content, other products are not included.
Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 3-6mm.