Accessories:
Spur Gear-1pc
Stainless Steel Round Head Screw 3x10-3pcs
Stainless Steel Round Head Screw 3x8-3pcs

Manual number:
6449

Product major function & usage:
Transmit power

Major advantages of upgrading to this product:
1. Made with harden steel #45 for good sturdiness and great duribility. 
2. Accurate data measured for the spur gear, which improves the stability and makes the transmission more powerful.

Other special notes and comments:
For E-REVO 2.0, please use Stainless Steel Round Head Screw 3x10
For X-MAXX 6s & 8S, please use Stainless Steel Round Head Screw 3x8