Having an old fashioned bike has its advantages with the bars able to accommodate the sat nav as easy as this. Ill take a power supply from the headlamp without cutting or making any changes. Not looked at this yet but it will be easy enough. I used to have a garrmin Zummo 660 but it was problematic so now I just use these tom tom car units and throw them away if they get a proper soaking. Not had to do this yet as I carry a plastic bag to put over it. Al
