Thunder Power Z3R-550 Modified Sensored Brushless 550 Motor (4.5T)
[THPM550A045]

Thunder Power Z3R-550 Modified Sensored Brushless 550 Motor (4.5T)
Steve Dockins - Rating: 3 of 5 Stars! Thursday, November 29, 2012
I don't own one but just a heads up it is ROAR approved. http://www.roarracing.org/?page_id=251
0 of 1 customers found this review helpful.