Car rides and quite times will never be the same. Translation, for my wifes bike with a womans frame - there really wasnt a configuration that would support her bike. In life in general, due to my wide feet, I tend to be a 6. She told us that 3 were not enough, and we ordered 4 more and had them sent to her. I had a bit of a struggle to install them properly but once I understood how to do it, it was a straightforward process. Bad job Sony! - Music reproduction is *outstanding*. The heel is what concerned me at purchase. This is the third razor mouse my husband has bought me for our gaming online. Recommend adjusting the length of chain before hanging.