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Quintana Roo unveils new tri bike at Kona

Published October 13, 2017

KONA, Hawaii (BRAIN) — American Bicycle Group's Quintana Roo is showing off its all-new PRsix Disc Series of triathlon bikes at the Ironman World Championships in Kona this week.

The company said the disc brakes enhance safety and reliability while opening the door to improved wheel designs. The full line will be available in December.

The bikes has thru-axles front and rear, and new internal brake hose routing front and rear.

ABG engineer Brad Devaney said,  "The placement of the calipers is unique and no-nonsense, and avoids gimmicks in the way of shrouds and covers. The rotors are incredibly aero efficient, and because of that we've chosen not to add surface area and complexity. QR remains focused on efficient leading edges of the fork. For the rear brake, we've parlayed the LEA technology, which makes the non-drive side chainstay better than invisible. With no leading edge and an optimized 'sail effect' surface, we've nestled the caliper out of the amplified flow created by our SHIFT+ downtube orientation. I'm super excited to see the linking of technologies integrate so well in our latest design."

ABG's president, Peter Hurley, said, "I'm thrilled about what we have done here. Our engineering staff has created a bike that is unlike any other in the market. The disc configuration they developed is a huge step and means that changing rim shapes no longer requires brake adjustment. We think it's the best design ever."

The new PRfive and PRsix Series bikes are painted and assembled at ABG's facility in Chattanooga, Tennessee. QR is offering a frameset for $4,295 and has two bike versions – Shimano Ultegra Di2 disc with carbon race wheels for $9,595 and Shimano Dura-Ace Di2 Disc with carbon race wheels for $12,495.

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