Device major function & use:
1. The gearing set including metal primary gear + metal engine gear + aluminum primary gear adapter to make sure energy direct transfer towards the system industry, with different gearings, the rate and torque are well achieved for various performance.
2. We recommend the enamel combination as below
TXM355315T, 16T, 17T, 18T
TXM355416T, TXM355418T
TXM355515T, TXM355517T
3. you can expect numerous colors the aluminium adapters, but gears is still to black colored colored colored colored just.
4.This item cannot complement S8
