Dab LM-S: The first Euro4 certified custom motorcycle

There are lots of grey areas in the custom world. The engineering on a factory bike is black-and-white in its precision: components are thoroughly tested, and they comply with a multitude of regulations. If they fail, the manufacturer could face legal action. Unless a custom job is purely aesthetic, it’s likely to compromise this engineering. Some bolt-on mods are undoubtedly improvements, but others—especially when one-off fabrication is involved—could compromise the integrity of the machine. The French custom shop Dab Motors sees this as an opportunity. They’ve created the first custom motorcycle that is Euro4 certified: the LM-S. It’s also the...