I have come to enjoy bike riding as much in China as the US. It is true that it can be a little dangerous, but I feel much safer than in the US. Bike lanes are very large and as long as you keep your eyes open and don't act stupid everything should be ok. The entire city is huge and almost completely flat. I once did a full century (100m, 160km) and only had a total elevation change of 900 feet (300m). I see exciting and strange things every time I ride and it really helps me to understand the city and how people live.
The bike lanes are shared with 3 wheel vehicles, electric scooters, pedestrians, taxis dropping people off and the occasional parked car. So it is a challenge, but that is part of the fun.