DURABLE ALUMINUM CONSTRUCTION: High-quality aluminum cap paired with a stainless steel bolt ensures longevity and resistance to wear. SECURE FIT: ABS inner construction guarantees a snug and secure fit on handlebars with diameters ranging from 18 to 22 mm. REUSABLE DESIGN: Easily reusable with each handlebar tape replacement, offering both convenience and value. ENHANCED VISIBILITY (REFLECTIVE VERSION): The ScrewOn Alu Reflective model features a reflective finish, providing increased visibility and safety during low-light conditions. EASY INSTALLATION: Simple screw-on mechanism allows for quick and hassle-free installation.