If you are willing to wait there are several stores in the UK that have the Bontrager Heartstrap by itself. Did not find anywhere in the US that had them. I have the Node 2 and started using the included heartstrap as well as a cadence sensor and just love it! If you bought the Node 1 at your LBS recently any chance on a return for store credit and put in the difference on a Node 2? I considered the Node 1 myself but thought I might want the added features of the Node 2 and wound up springing for the Node 2 instead. Good luck Gene