Ezrun MAX6 G2 4990SD Motor Combo. Note: The range of KV value here is the recommended value under the standard application (combined with the rpm supported by the motor and the actual load of the whole vehicle), and does not represent the maximum rpm supported by esc. (1) Ezrun MAX6 G2 ESC. (1) EzRun 4990 SD G2 motor or EzRun 5690 SD G2 motor with your choice. No-Load Current: 7.0A. Diameter/Length: D-49mm (1.93″) / L-90mm (3.54″). Shaft Diameter/Length: 5mm (0.20″) / L-21.5mm (0.85″). Bearing Size (mm): Front: D19D6T6 / Rear: D19D6T6. Applications: 1/7th On-Road, Short Course Truck, Truck / 1/8th Heavy-Duty Monster Truck. /Peak Current: 200A / 1200A. Motor Type: Sensored / Sensorless Brushless Motor. Applications: 1/6 & 1/7 On-Road, Truck, Monster Truck. Motor Limit (note): With 6S LiPo: KV. LiPo Cells: 3-8S LiPo. BEC Output: 6V/7.4V/8.4V adjustable, continuous current 8A (Switch-mode). Cooling Fan: A stable 6V or 7.4V or 8.4V from the built-in BEC. Size/Weight: 70(L) x 56(W) x 45.5(H)mm / 245g (Included input wires).