2-speed gear box, retrofitting is possible for all FG 1:5 Sportsline 4WD models. Adjustable shit point, built very robustly, therefore high reliability gearwheels can be replaced in not time. The small gearwheels are made of hardened steel. If you use the gearwheel 07424/01 (38 teeth) you need the allow hub A 47 mm 07456/01.
- 1st gear: 22T / 42T
- 2nd gear: 24T / 40T