I asked via their InstaGram...

NateMob: Would the new Range bars feel more harsh cut down to 760 than the old version? I imagine the feel was optimized around the new full length of 800 as opposed to the old 780.

PNWComponents:@natemob great question! We altered the butting profile of the handlebar to achieve the 800mm width, so the new bars should feel fairly similar when cut down to equal lengths as the old bar.