The Bicycle Tree is a non-profit community bike center and shop located in Santa Ana, CA. They provide bike repair, maintenance, and other bike-related services to the community. They also offer classes, group rides, and advocacy for bike-friendly infrastructure. Additionally, they accept donations of bikes, bike parts, and tools, and provide bike education programs. The shop carries a range of quality secondhand bikes and new and used bike parts and accessories, with all proceeds funding their programs and advocacy work.