High-quality 100% steel: The commercial bike rack is made of tough 100% steel, which has industry-standard stability. Rust-resistant: Finished with silver or black rust-resistant powder coating, ensures this bike rack is reliable rain or shine. Commercial use: This bike rack is perfect for storing bikes outside retail shopping centres, schools, and colleges. Choose a single-sided bike rack for the side of a building and a double-sided bike rack for easy access.