LHI 250mm Pro Pure Carbon Fiber Quadcopter Race Copter Frame Kit ARF + MT2204 2300KV Motor + Simonk 12A ESC + 6030 CF Propeller Prop -US 250 Pro Carbon Fiber Quadcopter Frame with MT2204 Motors & 12A ESC & 6030 Prop Main material:Pure carbon fiber With rubber damper to decrease vibration during flight Aluminum alloy spacer, light weight, reliable Note: All the rubber damper and screws, spacer are in random color.