I welded a huge bike trailer out of old bikes and EMT. For the coupling between the bike and the trailer I used a two bike forks, and JB welded the hubs togethe

I welded a huge bike trailer out of old bikes and EMT. For the coupling between the bike and the trailer I used a two bike forks, and JB welded the hubs together to create a universal joint. It worked wonderfully and I could haul 20 or more bikes on it.