Peter Dannenberg from “Urban Motor” turned to Ralph Ahrens with a request for him to build a custom-bike. Peter specializes in motorcycle BMW, but the reason for his own bike he chose Japanese donor Yamaha XS400 1978. Of course, Peter knew what he wanted, and Ralph realized all his ideas.
In fact, Ahrens left the drain frame Yamaha XS400 1978 remake and upgrade all around.
Domino throttle stick
Excellent Clutch lever
Brake Master Cylinder Brembo PS13
Stahlflex Brake Hose
Upgraded electrical system parts Motogadget: control unit m-Unit, turn signals m-Blaze, tidy Motoscope
Durbahn A123 battery
Customize exhaust 2 in 1