The seat on the motorcycle. One of the most relevant part talking about the transformation style and functionality. #bmw AtomiK #k100 16v #streetracer and it’s for sale! #bmwcaferacer #k100caferacer #bmwk100 #custommade #rad #mad #bcn #caferacerbarcelona #barcelona #tallercaferacer #bespoke #builtnotbought #classy #bmwmotorrad #bmwteam