See: Hobbywing North America Hobbywing have introduced two new World Champion combos, the Spencer Rivkin Edition and the Bruno Coelho Edition. The combos include XR10 Pro speedo and a XeRun V10 G3 8.5T motor for the Spencer Rivkin Edition combo while the Bruno Coelho Edition combo come with a XeRun V10 G3 7.5T motor. The First […]