1721 Motor, .5Y Sensored Brushless MotorCSE060 0091 00 This will be drop shipped from our vendor! 1721 Motor, . 5Y Sensored Brushless Motor Ideal for running up to 8s LiPo in 1: 8 and 1: 7 scale vehicles, the mechanical design boasts a stainless steel sleeve to reinforce and strengthen the rotor for high RPM operation. Coupled with a massive 8mm stainless steel motor shaft, 8. 0mm bullets and high strand, low resistance, silicone coated 8 gauge copper wire, the 1721 2400Kv will deliver