Four-valve Krauser Heads

, Nikasil barrels, electronic ignition and more: this rapid R100 airhead from @arjanvandenboom of Ironwood Custom Motorcycles is not your standard BMW cafe racer.
Hit the bio link for the exclusive build story and more images by @paul_vanml, or jump to

https://www.bikeexif.com/bmw-krauser-4-valve

#bmw #bmwmotorrad #ArjanVanDenBoom #MakeLifeARide #caferacer #custombike #motogadget #bmwcaferacer #bmwr100 #caferacerstyle #caferacergram #caferacerculture #caferacerporn #caferacerworld #caferacerclub #bikeexif