Very nice color schemes on those bikes. Black and red really go well together if it's done right. I have two other observations, though.
First, can anyone explain to me why trials bikes have such tiny exhaust pipes? Is it specifically to make them perform in a certain way, and if so, what way is that and how does the pipe achieve this? Or is it maybe to give the rider more freedom of movement to keep balanced without burning holes through his clothes?
Second, look at those primary gears on the trials bike! That's a really crazy ratio they're rocking there, much higher even than the old Maicos with the chain primary, which were pretty much the highest ratio in the business (which resulted in a high-rpm, low-torque transmission leading to light weight but relatively fast wear, if I remember correctly.) And it looks like the kickstarter is just bolted right up to the primary gear, that's wild.
By the way, I've never ridden a trials bike, nevermind a modern one, so can someone tell me if they've got a normal-style clutch, or do they use something different. I want to know more about these unique machines.
As for two-stroke dual-sports, my dad managed to turn his '77 Husky 360 into one, and I think the DMV in Oregon closed the door on that kind of thing just a few months after, or at least that's the rumor. Very cool bike, but he says the old Kawasaki 350 Big Horn is a sweeter ride on the street.