Product Description Super sturdy stem mount. The unit sits directly above the stem and can be operated safely in any situation. Technical Information:Material:6061 T6 aluminium, CNC milled, anodisedClamp:1 1/8" steerer tubeCompatibility:Garmin Edge 200, 500, 510, 800, 810 / Forerunner 310XT, 910XTManufacturer Numbers:red:K13-520-REDgunmetal:K13-520-GUNblack:K13-520-BLKContents:1 x K-Edge stem mount Weight: black: 21 g Manufacturer: K-EDGE 418 S. 9th St. Boise ID 83702 USA info@k-edge.com Distributor: GROFA Action Sports GmbH Otto-Hahn-Straße 17 65520 Bad Camberg Germany info@grofa.com