Just taking up space... Read before contacting me REQUIRED:It's been modified to bolt directly to a modified 12mm axle using a 7mm bolt [instead of using a clamp]. (Usually only newer high-end $1000 bikes use this style axle [see pictures]) Bell bike trailer, fits two kids with seat belts that go over their shoulders. Has a windshield and a cargo section for holding the kid's stuff. Our kids grew out of it and ride their own bikes now, or ride on my Mac Ride seat. - ... I can drill & tap 7x1.0 threads into your axle for you and get everything dialed when you buy it. Or you can buy a kit from Robert axle project (expensive). I made these mods, because I did not trust the clamp that came with it, also it would end up scratching the paint, and it got in the way and the heel of my foot would hit the clamp when riding