1/5 scale upper main mechanisms with 1/2" diameter oleo struts. Nose gear included. Axles installed at angle specified by manufacture and comes with a complete large air system included! See part number 1400 for large air system description. The weight of this gear is approx. 2 lbs 8 oz. The weight of the main gear is 2 pounds. The weight of the nose gear is 6 ounces. The weight of the air system is 2 ounces.