Gear Box Transmission 2Speed for 1/14. Tractor Truck DIY Model Car F5017. First Grade Output: 1:28.
Second Grade Output: 1:42. Planetary Gear: 1/14 Planetary reducer. Suitable For: 1/14 Tamiye RC Tractor Truck DIY Model Car. ONLY 1pc Rear Drive F5017 High Torque Gear Box. If your item got any problem, please contact with me, we will help to solve and, we are very familiar with this product.But we can help to avoid this, please contact.