Contour XL Handlebar Mount (sku 10733)The XL Bike Mount from Contour is built with a dual screw enclosure system so you can securely attach your camera to a variety of bar sizes. The twist lock adjustment easily helps you achieve the perfect angle, and the TRail system helps you mount and remove your camera quickly and easily. This mounting option for your Contour Camera is perfect for mountain biking enthusiasts, and enables a sturdy and upfront view of the action.