Product Description:
Compatibility: 5mm shaft motor for 1/8 1/10 RC car, please make sure your RC car motor shaft has the same diameter.
Material: High quality hardness metal steel.
Weight:104g/set.

Packing list:
4x Pinion gear(25T 26T 27T 28T)
4x Grub screws
1 X Hex Key

Note:
First, you can start with the smallest teeth. Then, upgrade to larger teeth and check ESC and motor temperatures regularly throughout the run. Finally, you can control faster speeds while avoiding potential risks such as ESC/motor damage or failure due to overheating.
Note:
Lighting shooting and different monitors may cause some differences between the color of the items in the pictures and the real thing, please allow some small manual measurementerrors.
After-sales service:
If you are not 100% fully satisfied with our products, please feel free to contact us for a refund or replacement We are at your service 24 hours a day!