2-speed control gear box

2-speed control gear box, suitable for the Dunker motor with item code: 221259, ball bearing triple, speed-reduction 1.gear 2:1 , 2.gear 1:1 , switching during the driving it`s posible with a servo, housing from aluminum, driving shaft SW5, shaft and pinion`s are hardened, initial speed max. 6000 U/min, control rod and fixing part`s are included, for fixed it with an other motor you need the adaptor with item code: 220324

Item code: 242424