Device major function & use:
1. The gearing set including metal primary gear + steel engine gear + aluminum primary gear adapter to ensure power direct transfer towards the apparatus industry, with various gearings, the rate and torque can be well accomplished for different performance.
2. We recommend the tooth combination as below
TXM355315T, 16T, 17T, 18T
TXM355416T, TXM355418T
TXM355515T, TXM355517T
3. we offer multiple colors the aluminium adapters, but gears is still to black colored colored just.
4.This item can't fit for S8