Features1This product is made of quality aluminum alloy material, which is solid, firm and durable for long term use. 2Easy to install and quick release. Suitable for 31.8mm handlebar diameter. 3Lightweight and small size, this product is easy to carry and will add no burden to your bike. 4A great accessory for your bike, convenient to attach bike computer, flashlight and camera. 5Suitable for GOPRO series, SONY HDR AS50 AS200V, AEE action camera series, etc.SpecificationFeatures:This product is made of quality aluminum alloy material, which is solid, firm and durable for long term use.Easy to install and quick release. Suitable for 31.8mm handlebar diameter.Lightweight and small size, this product is easy to carry and will add no burden to your bike.A great accessory for your bike, convenient to attach bike computer, flashlight and camera.Suitable forGOPRO series, SONY HDR AS50 AS200V, AEE action camera series, etc.Specification:Item:Stem Extension MountMaterial: Aluminum AlloyColor: Black, Red(Optional)Mount Size: Approx. 12 x 3.5 cm / 4.7 x 1.4 inchSuitable Handlebar Diameter: 31.8 mm / 1.3 inchWeight: Approx. 52 g / 1.8 ozPackage Included:1 x Bike Computer Mount1 x Set of Light BracketPackage List