What are the best bike head and tail lights to ensure visibility and safety while cycling at night?

The best bike head and tail lights for visibility and safety while cycling at night are those that are bright, have multiple modes (such as steady and flashing), are easy to install and remove, and have a long battery life. Some popular options include the Cygolite Metro Pro 1100 and the NiteRider Lumina Micro 650 for head lights, and the Blackburn Dayblazer 65 and the Lezyne Strip Drive Pro for tail lights.