Start with a Blendr stem, add the appropriate base and finish with Pro Blendr Alloy Computer Mount for secure mounting of computers. Don't forget your Garmin or Wahoo Adapter Puck! Those are sold separately so you can build the ultimate Blendr system that's right for you.Product detailsBlendr is an elegant, integrated accessory-mounting solutionAlloy design provides clean and secure mounting of computersAdapter pucks available for Wahoo and Garmin computers (sold separately)Compatible with all Blendr basesBlendr works with this simple formula: Stem + Base + Mount. Add accessory.Please use the Bontrager/Trek Blendr compatability flowchart to ensure your selection of stem, base and mount are compatible..