If you have ever assembled anything you can assemble those like me without even looking at directions. They seem to amplify some sounds on nc. Really amazing headset. My daughters have bumped into this rack and it doesn’t tilt over. Many MTN bike wheels will have a slight wobble after hard riding and a few accidents, however these imperfections can be imperceptible on the ride after truing with this stand. These were more like the cheap $1 flip flops from Old Navy. Tried to get the Lime green but different seller and different price so I passed but Id still like them if for the same deal. That was not as expected as I can still hear the noise around me. Could not wear it inside the house. Tamaño perfecto y fácil de armar