Much more than wind-tunnel tested bike, the PRsix Race Ultegra tri bike from QR is a technology-packed "Super Bike" fully capable of producing a podium finish at every race. The engineers at QR pooled their vast knowledge and expertise to push the design and development envelope of the PRsix tri bike. They leveraged their experiences to create the PRsix with race-proven SHIFT+ advanced aerodynamic technology and ultra-refined Boat Tail airfoil tube shapes to create an even more aerodynamic, and super stable, tri bike. It features strong-light Reynolds Strike carbon wheels and a Shimano Ultegra 11-speed drivetrain for quick, precise shifting on-the-fly. The PRsix rises above ordinary time trial bikes; it's the lightest, stiffest and most aerodynamic race bike on the market. It has the most intuitive and fully adjustable cockpit available, and it's unmatched in stability and responsiveness. QR's goal was to create a perfectly well-rounded triathlon bike, willing and able to conquer any race course on the planet. The world-class 2016 QR PRsix Race Ultegra triathlon bike, with cutting-edge technology, exceeds all expectations.