LOSI 5IVE-T


FID  RC Reverse gear system principle
It contains two gear sets 
Forward gear ratio is 20T:57T 
Reverse gear is 17T:54T
There is a idler wheel that is inserted between the reverse gear, that changes the direction of the gears rotation ,When the third channel servo is used . This will engage the forward gear allowing the car to move in a forward direction. By using the third channel again, it will switch to the reverse gear allowing the car to move in reverse