The Cane Creek Computer Mount is incredibly modular with 4 mounting orientations, several angle adjustments and compatibility to run an accessory mount. 

• Garmin, Wahoo, Hammerhead... Any computer, any size
• Comes with Garmin and Wahoo computer mount heads
• Additional "Accessory Mount" sold separately to undermount additional camera or front light
• Compatible with standard 4-bolt stems with faceplate stem bolt width between 22-35mm.

Additional info:

• Mounts to stem's faceplate upper two bolts or lower two bolts
• 4 mount orientations available, as well as fore/aft and angle adjustments
• 6061 CNC aluminum mount
• Stainless steel black bolts
• 40g