I'm crowding 40 in a couple of months, and I wouldn't have the 650R without the Sports bars. Yes, you are bent over more, but it is more comfortable than stock in my opinion. I was always getting a sore back within 5-10 mins of riding with the stock bars.
2010 Kawasaki Ninja 650R ABS Island Metallic Blue. Yoshi Exhaust, Sport Bars 3.0, CF Rimtape, Bar ends & Spools, Givi & Ventura Luggage, New Ninja Decal, Double Adjustable Levers, Frame Sliders, PC5 Power Commander, Pirelli Angel Tyres, and more to come!!!