Description: 100% brand new and high quality Feature: The mount is made of quality material, sturdy and durable. Fine machining ensures sleek surface, simple and pretty design adds fashion to your bike. With some screws, easy to install it on bike odometer mount. Ideal for installing your action camera on your bike for shooting while cycling. Suitable for Gar-min, for Bryton II andfor IGPSPROT extension mounts. Great acceory for road bicycles and mountain bikes. Specifications: Item Type: Adapter Mount Holder Material: Nylon+Metal Size: diameter: 35.5mm/1.3in, hole to hole: 20mm/0.7in Color: Black Quantity: 1 PC Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Adapter Mount Holder 1 x Some Acceories