New "POWER LINE" series 7.5T 4534KV brushless 540-class motor, SENSORED, by Game-Mania. Features: sensored design, adjustable timing, lightweight design, sintered neodymium 12.3mm rotor, weight 157 gr., 36mm diameter, 52mm length; sensor cable included (13cm). 4 to 7 NiMh cells.