This simple mounting option for quarter turn Garmin compatible devices allows forward centered mounting of your device with a vibration dampened no slip mount. A single torx screw attaches this mount to any 31.8mm bar. Features: Above bar mount works with even large head units such as the Garmin Edge 1000 series 31.8mm bars only Quarter turn/twist lock Weight: 20g Material: Glass filled nylon, Stainless bolt Torx T25 Compatibility: Compatible with computers with 1/4 turn twist lock interface and 31.8mm bar surface