Enjoy a fun Electric Bike Guided Tour across the Golden Gate Bridge to Sausalito with return by ferry. The tour features the new UltraMotor A2B electric bikes with Power On Demand that allows riders to choose between pedaling, electric motor power or both. The power assist will help boost you up those San Francisco hills and ensure that you're never left behind! Experienced guides, great for families with teens, couples or singles. Eco-friendly electric and people-powered sightseeing.