Device major function & use:
1. The gearing set including steel main gear + steel motor gear + aluminum main gear adapter to make sure power direct transfer to the gear box, with various gearings, the rate and torque are well achieved for various performance.
2. We suggest the enamel combination as below
TXM355315T, 16T, 17T, 18T
TXM355416T, TXM355418T
TXM355515T, TXM355517T
3. We offer multiple colors for the aluminium adapters, but gears remains to black only.
4.This item cannot fit for S8