Machined from 6061T6. Stainless fasteners with Neoprene gripper ring. Clamps are modified Cateye brand name clamps, the top while in the small business for power and choice of measurements. If you're strapping the bike flag to some rack: You simply need some kind of strap. These can be involved with https://custom-bike-flags44196.blogerus.com/52501256/everything-about-biker-flags