Thank you for the feedback.
I will be more careful to consider my backgrounds, I forget to do this a lot. I was thinking afterward I should have shot it with the aperture full open to separate from the background better. The bike was on a walkway between a castles inner and outer wall in the old part of Rhodes. I could have asked the owner if he would mind moving the bike. I probably should have taken a picture of him with it..
I haven't invested in a travel tripod yet. This was a moment of opportunity. I pretty terrible at landscapes, so I thought I would try to compose one that included light trails. I wish I had a bean bag or monkey pod. Maybe I will add one to my travel kit.
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I don't know that you need a travel tripod. Try some more experimenting first. When I'm shooting around towns, I don't bother. IBIS is good for general use and even better if you have optical stabilizer as well in the lens you are using. The question of whether to use IBIS or not when you have an opportunity to brace firmly is not clear. Sony aren't very helpful with their answers on this. My approach (unless I'm shooting stars) is to brace and handhold and use a delayed 2 second shutter release because the shutter press in these situations gives me movement. I don't hesitate to increase iso and then I use one of the new noise reduction/sharpening programs like Topaz to clean up the result. You can get a free trial of Topaz for one month to see if this works for you. There are other programs as well as Topaz, including one built into the latest versions of Lightroom.