Stock Photo Used, See Below For Exact Details. Hobbywing QuicRun Fusion FOC 2-in-1 ESC & Motor System (1800Kv). The Hobbywing QuicRun Fusion FOC 1800Kv 2-in-1 ESC & Motor System is a. Unique ground-up design, packed with technology specific for scale trucks and rock crawlers. Integrated design of Hobbywing’s patent technology. The integrated design of the […]