Powerbrick has the most apt name in the custom motorcycle business. The Dutch workshop specializes in making parts for K-series BMWs, affectionately known as ‘flying bricks.’ And every part or custom bike they make has an edgy performance vibe to it.
For their latest project, Powerbrick has upped the ante in K-series customization, with a pair of striking BMW K1100RS café racers. Featuring a staggering number of one-off parts, the bikes are nearly identical—save for their inverted color schemes, obviously.
Powerbrick started with two 1994-model BMW K1100RS donors, then proceeded to rebuild them from the inside out. Dubbed ‘Vengeance’ [above] and ‘Lenience’ [below], both BMWs have had their engines overhauled. Notable mods include ported heads, enhanced timing with an NGK ignition system, and a hydraulic clutch conversion.…