It's hard to deny the allure of a rally motorcycle. Every inch of it is built to perform, and every part on it serves a specific function. Add it all up, and it's a total vibe; the very definition of form following function. It's little wonder then, that many modern adventure bikes take styling cues from purpose-built rally machines. And why the aftermarket is loaded with parts to convert dirt bikes into rally bikes—either to actually race them, or to simply make them more suitable for dual-sport use. This custom 1989 Honda NX650 Dominator, from Holger Breur at HB-Custom in
