This is the 4.5 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°C), lower weight and more.

Features:

Specifications:
kV:
7340
LiPo: 2S
Resistance: 0.0029
No-Load Current (A): 6.7
Max Output Power (W): 457
Current @ Max Output Power (A): 122
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: 5-12.3
Sensored: Yes
Brushless: Yes
Poles: 2
Weight (g): 163
Applications: Modified 1/10 & 1/12 On-Road









http://hobbywing.com/products/enpdf/XERUNV10G3.pdf