The Jeht only has 140mm travel as well, while the Rocket has 150mm at the rear and can run a 150mm ... More sprung mass than unsprung mass in the suspension equation being the foundation that all this ...
You need to be mindful of scraping the pegs in tighter corners but the set-up is more than sufficient for the power output, and in terms of ride quality and braking you’ll be happy you’re on a 21 st ...