Now you can take any bicycle and turn it into a 3 wheel tricycle-bicycle using our unique conversion axle.Training wheels are a joke! This axle mounts on any single speed bike in 10 minutes. You can use the same axle on bigger bikes also. Our website is www.HigleyMetals.com Phone 763-438-0356 We will ship our axle kit world wide.If you want a complete custom built bicycle we can do that also. CLICK ON ANY PHOTO TO ENLARGE YOU TUBE http://youtu.be/g3GJvDqtfys