With this adjustable mount, you can install your Garmin Edge® navigation device or your Garmin Forerunner® GPS watch directly above the stem. The angle adjustment provides perfect adaptation. The mount is fixed at the steerer tube. It is made of CNC-machined and anodised 6061 aluminium. Clamp diameter: 1 1/8 (steerer tube) Material: 6061 T6 aluminium, CNC-machined, anodised Weight: approx. 25 g Suitable for: Garmin Edge® 200, 500, 510, 800, 810, Forerunner® 310XT, 910XT, with 1/4 turn attachment