Specification: Weight: 32g Motor Size: 22 x 25mm Shaft Size: 3.17 x 41mm Motor Mount 16 mm Working Temperature Range : -20C+80C D2225-1350KV Motor Specification Max pull: 340g Volts: DC7.411.1V Suggested ESC: 18A Maximum Power: 105W Suggested Prop: 7 inch prop D2225-1600KV Motor Specification Max pull: 440g Volts: DC7.411.1V Suggested ESC: 18A Maximum Power: 109W Suggested Prop: 7 inch prop D2225-2000KV Motor Specification Max pull: 450g Volts: DC7.411.1V Suggested ESC: 18A Maximum Power: 122W Suggested Prop: 6 inch prop