This is the 3.5 Turn Hobbywing Xerun V10 G3 Competition Modified Sensored Brushless Motor. The V10 G3 Motor line has seen significant improvements over the previous G2 series, for both the Modified and Stock motors. Some updates include an updated can design that promotes easy of maintenance, a special shell design for maximized cooling, high-performance stator core, heat-resistant wire (200¡ÆC), lower weight and more.
Features:
Specifications: kV: 9450 LiPo: 1S Resistance: 0.0018 No-Load Current (A): 7.7 Max Output Power (W): 462 Current @ Max Output Power (A): 126 Diameter/Length (mm): 35.9mm (1.41in)/51.2mm (2.01in) Shaft Diameter/Length (mm): 3.17mm (0.125in)/13.3mm (0.52in) Stock Rotor: 5-12.1 Sensored: Yes Brushless: Yes Poles: 2 Weight (g): 163 Applications: Modified 1/10 & 1/12 On-Road
http://hobbywing.com/products/enpdf/XERUNV10G3.pdf