iBM2820X 1450KV Specifications:-KV: 1450kv-Size: 35x42mm-Shaft: 5mm-Battery/Esc: 3-4s Lipo / 37.5A-Watts: 543-Prop: 12x5/11x7 -Weight: 102g-Motor mounting holes 16 and 19mm.iPower 2820 Brushless MotorSKU: iPower2820$19.00PriceQuantity*Add to Cart