Focusing on durability & weight on BLADE 200 S / 250 CFX / 230S / V2 / Smart tail system, the Aluminum/Carbon Fiber Light Weight Tail Motor Mount w/ Fin "G" set is designed & selected light weight Carbon Fiber material for Motor Mount which is optimized for weight, durability & overall tail performance on theBLADE 200 S / 250 CFX / 230S / V2 / Smart helicopter.