Choose from Hobbywing AXE540L AXE550 R2 FOC Waterproof Sensored Brushless Combos 2100KV, 2800KV, 3300KV New. Hobbywing AXE 540L R2-FOC Waterproof Sensored Brushless Combo. Package includes 2100KV or 2800KV 540L motor. AXE550 R2 is offered in a 3300Kv longer 550 motor. Word’s First FOC brushless system for Rock Crawler. Field-Oriented Control for Super Linearity & High […]