Hobby Etc – New Hampshire – USA. Add to Favorite Sellers. Hobbywing 38020319 Xerun Xr10 Justock G3 Esc & Justock G2.1 brushless Motor 10.5. Designed for Stock Spec Racing, ICC, IOCC, USVTA, TOUR, Oval racing. Factory pre-installed Supercharged STOCK competition firmware. Blinky mode, Fixed timing brushless motor. JUSTOCK G3 ESC: 1 pieces JUSTOCK STOCK (G2.1) brushless motor: 1 pieces 5V cooling fan: 1 pieces Sensor cable: 1 pieces. WARNING: This product contains a chemical known to the State of California to cause cancer. Item weight: 1.1000 pounds.