We?re all for extreme machines that draw a crowd when parked up, but we also love ?sleeper? customs?those that keep their performance potential under wraps.
At first glance, this Triumph from Amsterdam looks like a regular Street Twin with a mild retro makeover. But it?ll probably get its rider from A to B faster than any other Street Twin in Europe, thanks to a heavily reworked engine and big suspension upgrades.

It belongs to sculptor Ram Katzir, whose work is shown all over the world?from theaters in Tel Aviv to parks in Japan. And when Ram isn?t working on static objects of beauty, he likes to ride fast on his bike.
The Street Twin is a terrific starting point for customization. The 270-degree crank engine has oodles of torque and feels bigger than it really is, the ergos are great, and the styling nails the classic ?Brit bike? look. As soon as it came out, it was a massive sales hit, and garnered plenty of positive reviews too.
Ram bought one of the first bikes to come out of the factory, and quickly starting planning a few mods.
?It started as a commissioned project, designed by me and Steven Decaluwe from Motokouture in Belgium,? Ram tells us. ?We used a brand new 2016 Street Twin as the base.

?After a 5,000 km trip across Europe, from Amsterdam to Paris to Barcelona and back, I decided it could use extra power. So in 2018, Classic Bike Raisch in Germany installed their Stage 4 kit?adding 16hp to the stock bike.?
The engine work includes a new camshaft, an x-...