Turbo PortoTurbo Porto is Specialized's compact cargo e bike built to carry kids, groceries, or work gear without the wrestling match feel of a longtail cargo. Specialized 2. 2 Cargo motor (90 Nm 250 W) tuned specifically for loaded riding, 710 Wh battery, integrated rear rack rated for serious load. Key Features Specialized 2. 2 Cargo motor 90 Nm 250 W with cargo specific tuning Specialized U2 710 alloy 710 Wh battery Compact cargo geometry easier to handle