Well write to your politicians
lol....like that will do anything.
This is an interesting scenario though. The cops are acting like gods. They are becoming lawless in my opinion.
Ok so your story is fine. I don't think you should have got off your bike to be honest. You should have used the old law that states you feel threated for your life by the police if you get off. It is used sometimes. I wish I could recall the name right now. Especially IF a policeman/officer uses force against someone who is presumed "innocent" until proven guilty.
I believe that if he had no hard evidence and can't provide the evidence at hand then it is not lawful or legal search. You also have to be polite and say that you don't consent any searches and are you obligied to get off the bike. Then ask him if you are allowed to go and wish him a nice day.
Don't quote me on any of the above but research it yourself.
Yesterday I walked up the a street in the centre town, Hamilton, and in the space of 10 meters along a one way street. 3 policemen off their motorbikes had stopped 3 people and were bending down in their windows with pen and paper and most likely booking them for sitting in at drop off points marked out in this one way road. Ok fair enough you can only stop and drop someone off, but it was sickening to see policemen acting like traffic wardens instead of fighting crime. All the 3 vehicles all stopped relatively close to each other, the drivers didn't seem too happy at all. It was as if they set up to come down on them just to serve out fines. It was quite sickening to see. It was like they were going up the whole street car by car to get people. I suppose taking a picture would have presented this information better, but trust me it is a site you would have expected in China.