For most kinds of racing, clipless pedals are better than flats. For most cycling that isn’t racing, no; they’re an alternative that you may prefer, not an essential upgrade. You might want them on ...
How does the law on pedal reflectors apply to SPDs and other clipless pedals? I can’t see how reflectors might fit. If you can’t fit reflectors, then you’ll be riding illegally in the dark. That’s it, ...