PRsix Ultegra 6800

Size Guide
Frame Size

Price excludes any applicable VAT, duties and custom import fees.


Looking for every advantage you can get on your way to the podium? The PRsix is wind-tunnel tested plus real-world tested and approved by our team of Quintana Roo triathletes.

The combination of QR's SHIFT+ technology, boat-tail airfoils, and leading-edge absent chainstay gives you superior aero advantages over the competition. PRsix features a wide range of position adjustment to find the perfect balance of aero and comfort with our proprietary integrated stem/fork design and six-position seatpost.

Key Features

  • Easy delivery & assembly with QR's ProBox
  • SHIFT+ technology
  • 40T carbon-fiber frameset
  • QR six-position seatpost
  • Perfect Fit 2.0 stem
  • QR aero storage containers
  • Leading edge absent chainstay
  • Simple wrenching and maintenance

  • We pair each Quintana Roo frame with some of the best components and drivetrains in the world. We take component specifications seriously, as the quality and performance of the components are just as important as the frames we design and produce.

    If you have any questions or would like to request custom component specifications, please contact us.

    Ultegra Mechanical 6800

    Fork QR Integrated Aero Carbon
    Headset Cane Creek IS41
    Stem QR 2.0 Aero Stem
    Handlebars Profile Design Prosvet Carbon with 35C Extensions
    Seatpost QR Aero Carbon
    Saddle ISM PN 2.1
    Shifters Ultegra 6800
    Front Derailleur Ultegra 6800
    Rear Derailleur Ultegra 6800
    Brakes Ultegra 6800
    Crankset FSA SLK Light 52-36
    Cassette Ultegra 11-28
    Chain Ultegra
    Bottom Bracket FSA PF30
    Tires Continental Kevlar
    Wheelset Select Wheels Above
    Top Tube Storage QR Top Tube Storage System
    QBox QR QBox

    Components subject to change.

    Bar, Stem & Crank Specs

    Stem Length Size 48-50 — 75mm Size 52-54 — 90mm Size 56-58.5 — 110mm
    Crank Length Size 48-52 — 165mm Size 54-56 — 170mm Size 58.5 — 172.5mm 
    Bar Width Size 48-52 — 42cm Size 54-56 — 42cm Size 58.5 — 42cm


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Size Chart


View our size charts to see what size is best for you. Sometimes bike size, fit, and geometry can get pretty technical - if you have any questions about size or bike fit just drop us a message or chat with us!


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