JMT 1 Pcs Hobbymate Hb3650 1700kv Brushless Motor for Align Trex T-rex 500 HB3650 brushless motor is designed for 500-level electrical model helicopter specifically designed, with a strong, efficient, low-temperature characteristics of the product is your ideal choice for model aircraft. E-packet to US , need 5-20 days HB3650 Since the market has been unanimously praised by users and is ideal for violence and 3D flight. Products have now far from Asian and European countries, and are subject to user acceptance. color : red