Everything went smoothly entering Vienna. Passport was stamped in Paris without any questions. Had prepared a spiel about what I was going to do and the questions should be prepared for. When leaving the airport if you have anything with duty tax to report to agent everyone else you can leave. Buses and trains you just board and they assumed you have paid if not hefty fine. Reportedly they have people checking to see if you did.
The biking paths are all over the city. And they are used a lot. Twenty years ago there was little but during COVID biking became very popular.   And the city made a lot infrastructure changes. 
My camera was a little but larger than the panniers bag so it might have fallen out somewhere. Went back to where the last picture I took and could not find it. Forr this trip it doesn’t matter much. So the pictures here from my phone.