I just put the Garmin Zumo 665 (same as the 660 but also has XM built into it) on the Spyder. I current run it on the Harley and wanted the capability to move it from it to the Spyder. I got the harness with the detachable mount from a friend, but I was looking on eBay and there are a few there. I have the Carpuride W702 and use it from local riding, but use the Garmin when we have groups rides. As an example; I can create a route with bio stops and canyons in Basecamp and load it into my Garmin to lead. I can also share it with others who have a Garmin to follow. You can’t do that with google maps or Waze. I run into problems with the Carpuride when using the Garmin, phone, Sena 50S since they all require Bluetooth (BT) connections. Granted the Carpuride W702 & Pro can handle 2 BT but I found problems when trying to use my Sena50 and my wife's, the Garmin, and my phone. Found it easier to use the audio out from the harness into the Spyder audio in. My Garmin also has XM radio built into it, so I get the best of both worlds. I got the dual ball mount handlebar cover from Slingmods to mount the Garmin. Here is what my setup looks like. Granted, because of the XM, you’ll see that I have to add the antenna for it.
The only downside to the Garmin Zumo 660/665 is that Garmin no longer supports the maps for them, but you can get Garmin Updated maps at Openstreetmap.com. The other downside is that the screen is horrible in bright sun. Today TG I could hear the turn by turn because the sun washes out the screen where you can barely see it, even with a shade like I have. Eventually I will go with a XT2 when the time comes, but for now my 665 is fine.
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