This is the Replacement Landing Gear Set for the EP Mustang RxR from Tower Hobbies FEATURES: Pre-assembled landing gear Foam and steel construction INCLUDES: 2 Foam wheels (key#5) Left and right landing gear wire 2 Wheel collars REQUIRES: Mounting each landing gear to wings SPECS: Wheels: 2" foam Wire Diameter: 2mm JMLM 3/10/11