Viper R/C Copperhead-R ESC & VX4R.45 4-Pole 550 Sensorless Brushless Motor Combo (4500kV)
[VIP6VSVX4R451]

Viper R/C Copperhead-R ESC & VX4R.45 4-Pole 550 Sensorless Brushless Motor Combo (4500kV)
Jason Stump - Rating: 5 of 5 Stars! Thursday, March 01, 2012
I have been using this speed controller and motor combo for about two weeks now. The power is smooth and runs great. Highly recommend!
5 of 5 customers found this review helpful.