Brushless motor Model: X450 * Rotational Speed: 3500Kv (rpm/v), Packing Content: 1 x 450 KV3500 Motor 4 x Golden Connector * Diameter: 0.26 Motor diameter:?27.5 Motor length: 31.5mm The axial length:16mm * Max KV value : 3255 rpm/v Min KV value : 3745 rpm/v No-load speed: 32550-37450 rpm/s * No-load current: 2.7-3.9A Load voltage: 14.8V Load current: 22.3V Load power: 330W