I bought a pannier bag which attaches to the rear rack with 3 quick-releases. Each quick-release has a sticker on it: What does this symbol mean? My guess would be something like "don't hit this ...
I'm looking for one that attaches to your bike and easily detaches so you can take it with you. I usually ride with a small Timbuktu messenger style bag (really small, it's about the size of a large ...