This is the Hobbywing EZRun 4278SD 2250kv G2R Sensored Brushless Motor [30402141]

Product Specifications

• Scale: 1/8th
• Brushed/Brushless: Brushless
• Sensored/Sensorless: Sensored
• Pole Count: 4
• KV Rating: 2250KV>
• LiPo Cells: 3-6S
• No-load Current(A): 5.3A
• O.D.(mm): 42
• Length (mm): 78
• Shaft Diameter (mm): 5
• Weight (g): 465g
• Front Bearing: D16*D5*T5
• Rear Bearing: D11*D5*T5
• ESC: EZRUN MAX8 G2S
• Vehicles: 1/8th Truck, Monster Truck