Compatibility: Designed to fit standard size (25.4mm) and oversize (31.8mm) handlebars. Double clip design helps enhance riding stability. High-quality material: Constructed from durable aluminum alloy, offering smooth finish, corrosion resistance, and long-lasting performance. Bicycle handlebar extension dimensions: 22.2mm x 200mm (0.87 x 7.87in). Application: Attaches to your bike handlebar to provide additional mounting space for accessories such as bike lights, GPS devices, or phones. Easy to install: Features a secure screw buckle with high-quality hardware for reliable fastening. Includes an Allen key for straightforward installation, adjustment, and use. Package includes: 1 x 20cm aluminum alloy bike handlebar extension; 2 x aluminum alloy brackets; 1 x Allen key. Please verify your bike handlebar diameter before purchase.