Is San Diego a bike city?

Could you elaborate on why San Diego is considered a bike city? Are there a significant number of bike lanes and bike paths throughout the city? How does the city encourage cycling as a mode of transportation? Are there any notable cycling events or initiatives that take place in San Diego? Is the city's infrastructure conducive to SAFE and enjoyable cycling experiences for residents and visitors alike? And, what sets San Diego apart from other cities in terms of its cycling culture and infrastructure?