Something to identify it as youre bike would be good, like name and phone number. But even better is if you note the bike's frame number. If the bike gets stolen and found somewhere it'll make it easy to verify that it's yours.
It is fairly easy to sell an item online through the internet. I think you should list your exercise bike on Craigslist. All you need to do is take a picture of the bike and write a description, and list the price you want to get.
You should get a bike license if you ride a bike and don't want a citation.
You should bike with traffic for safety reasons.
as light as possable
If you have a wobbly bike crank, you should stop riding the bike immediately and have it inspected by a professional bike mechanic. Riding with a wobbly crank can cause further damage to the bike and potentially lead to accidents.
You should ride a bike with traffic, in the same direction as cars.
You should ride your bike with traffic, in the same direction as cars.
To loosen bike pedals, you should turn them counterclockwise.
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If your bike brake is broken, you should stop riding the bike immediately for safety reasons. It is important to have the brake repaired by a professional bike mechanic to ensure it is functioning properly before using the bike again.
Both.
If your bike tire is bent, you should consider replacing it or taking it to a bike shop for repair. Riding on a bent tire can be unsafe and may cause further damage to your bike.