[Wide Compatibility] This bike mount with headlight holder is compatible with Garmin Edge 530, 830, 1000, 1030, 130, and 130 Plus GPS computers; XOSS G and G+ GPS devices; iGPSPORT GPS computers; and Varia RTL510 radar. It fits road bike handlebars with 25.4 mm and 31.8 mm diameters, allowing easy viewing of performance data on your Garmin Edge bike GPS computer. [More Versatile] Compatible with Garmin Varia UT800 Smart Headlight and GoPro-style action cameras. [Durable Construction] Made from high-quality plastic. Designed to securely hold your electronics in place, even on rough terrain. [Safe and Secure] Engineered to provide reliable mounting and precise positioning for your GPS computer, helping you stay focused on your ride. [Quick and Easy to Install] Installs on your bicycle handlebar in under 60 seconds. Tool-free design allows for simple attachment and removal from any standard handlebar. Simply locate and tighten the locking nut. Color: Black Material: Plastic Package Contents: 1 × Bicycle GPS extension bracket, 2 × Reducing sleeves, 1 × Lamp holder Note: Only the items listed above are included. Lighting conditions and screen settings may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.