KO PROPO - RSx4S-Power H.C Servo Upgrade Parts Just add 3 AAA batteries

Just add 3 AAA batteries to the transmitter and you can be testing your flying skills around the house or in your back yard within minutes of opening the box

makes it a formidable opponent on the racetrack

w/ Scale Recovery Hook

The impressive pose of holding the Giant Buzz can be achieved smoothly by reducing interference between each part

making them compatibile with nearly every truck available

KO PROPO - RSx4S-Power H.C Servo Upgrade Parts Just add 3 AAA batteriesFeatures: Coreless motor Reinforced stainless steel final gear Hard alumite aluminum gear Dual ball bearings Hard servo gear shaft Aluminum top case Aluminum heat sink middle case Black cable Gold plated connector Serial Compatible HCS Compatible Specifications: Torque: 31. 6Kg cm Speed: 0. 11sec 60deg(@7. 4V) Torque: 26. 3Kg cm Speed: 0. 13sec 60deg(@6. 0V) Dimensions: 40. 4x37. 5x20mm (Standard size) Weight: 75. 2g Operating voltage: 6. 0~7. 4V