Sale

PRfour Disc

Size Guide Geometry Guide
Geometry Guide

PRSERIES GEOMETRY

Size 48 50 52 54 56 58.5
Seat Tube Length 48cm 50cm 52cm 54cm 56cm 58.5cm
Top Tube Length 47cm 49cm 51cm 53cm 54.5cm 56cm
Head Tube Length 7.4cm 9.5cm 11.5cm 14.2cm 15.8cm 18.4cm
Head Tube Angle 71˚ 72˚ 72˚ 72˚ 72˚ 72˚
Seat Tube Angle 77 / 83˚ 77 / 83˚ 77 / 83˚ 77 / 83˚ 77 / 83˚ 77 / 83˚
Chainstay Length 39.5cm 39.5cm 39.5cm 39.5cm 39.5cm 39.5cm
Wheelbase 95.7cm 96.8cm 99.5cm 101.7cm 103.1cm 105cm
Standover Height 73cm 75cm 77cm 79cm 81.5cm 84cm
Front Center 57.4cm 58.4cm 61cm 63.3cm 64.7cm 66.5cm
BB Drop 7.35cm 7.35cm 7.35cm 7.35cm 7.35cm 7.35cm
Fork Rake 4.8cm 4.8cm 4.8cm 4.8cm 4.8cm 4.8cm
Stack 48cm 50cm 52cm 54cm 56cm 58.5cm
Reach 38cm 39cm 41cm 42.5cm 43.5cm 44.5cm

Financing Options

LOOKING FOR A CUSTOM PAINT AND DECAL COMBINATION?

Make a custom bike builder appointment or chat with us now about an upgrade.

INTERNATIONAL ORDERS:

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

LEARN ABOUT THE ADVANTAGES OF DISC BRAKES

PRFOUR DISC


Featuring the same aerodynamic frame shape as our pro level PRsix2 Disc superbike, the stopping power and control of disc brakes, the PRfour Disc is the most affordable and technologically advanced disc brake triathlon bike available to triathletes.

We developed the PRfour Disc featuring a mix of Shimano 105 11-speed components with TRP Spyre mechanical disc brakes for real triathletes looking for disc brake advantages at a price they can afford, without sacrificing performance or reliability.

Not only do disc brakes add to the stopping power and consistency of braking in any condition, they also increase the lateral stiffness and stability of the bike with the addition of oversized thru-axles. With the combination of QR's wind-tunnel developed SHIFT+ technology, boat-tail airfoils and leading edge absent chainstay, the PRfour Disc gives you the ability to bike faster, efficiently output more power, and conserve energy for the run. It's designed with a standard front end, no crazy integrations, making the PRfour Disc easier to mechanically work on and travel with. Plus, stand out and choose between four ultra-bright graphic colors on a stealthy matte black frame!

An all-out race bike at an affordable price—the PRfour Disc gives athletes the confidence they need to perform their best and set new PR's.

For use in a stationary trainer, a specific thru-axle adapter will need to be ordered. The rear thru-axle is an E-thru standard M12x1.5, 142mm long. The adapter will be specific to the trainer you own, so please check with the trainer manufacturer if you have any questions. 

Key Advantages


  • 24/30T hybrid composite technology
  • Trickle-down technology from the PRsix & PRfive
  • SHIFT+ technology
  • Boat tail cross sections
  • Leading edge absent chainstay
  • Static downtube orientation
  • 12mm thru-axle design
  • QBox aero rear storage
  • QR Top Tube Storage System
  • QR Perfect Position Carbon Seatpost
  • Easy assembly and maintenance: 2 allen wrench sizes
  • Fit-Ready option available
  • QR Lifetime Warranty
  • Order online direct with full-assembly ProBox, through a QR retailer or choose Home.Delivery.Rightat checkout
  • 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.

    Looking for a specific crank length, saddle or gearing on your new QR bike? Chat with us or contact us now! Additional charges may apply.

    Shimano 105 Premium Mix

    Fork QR Aero Disc Carbon
    Headset Cane Creek IS41
    Stem Profile Seventeen
    Handlebars Profile Design Wing 10A with 35A Extensions
    Seatpost QR Aero Carbon
    Saddle ISM PS 1.0
    Shifters Micro Shift
    Front Derailleur Shimano 105
    Rear Derailleur Shimano 105
    Brakes TRP Spyre
    Disc Rotors TRP 25 Centerlock 160mm
    Crankset Shimano 105 R7000 52/36
    Cassette Shimano 105 11-30
    Chain Shimano 105
    Bottom Bracket T47
    Tires Continental Ultra Sport III 25c
    Wheelset Select Wheels Above
    Top Tube Storage QR Top Tube Storage System
    QBox QR QBox
    Riser Kit 15mm Profile Design Riser Kit Included

    Bar, Stem & Crank Specs

    Stem Length Size 48-50 — 70mm 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

QR EXCLUSIVE FIT-READY™


get aero with qr

Size Chart

QUINTANA ROO BICYCLE SIZE GUIDES

View our size charts to see what size is best for you. After purchasing a new QR bicycle, our team will reach out to you to confirm your order and sizing information to be sure you have selected the optimum size.


V-PR + X-PR SIZE GUIDE

Find your frame sizes for the following bikes

V-PR | X-PR

SELECT YOUR HEIGHT

  • FRAME SIZE
    48

  • FRAME SIZE
    48

  • FRAME SIZE
    48

  • FRAME SIZE
    48

  • FRAME SIZE
    48
    OR
    50

  • FRAME SIZE
    48
    OR
    50

  • FRAME SIZE
    50

  • FRAME SIZE
    50

  • FRAME SIZE
    50
    OR
    52

  • FRAME SIZE
    52

  • FRAME SIZE
    52
    OR
    54

  • FRAME SIZE
    52
    OR
    54

  • FRAME SIZE
    54
    OR
    56

  • FRAME SIZE
    54
    OR
    56

  • FRAME SIZE
    54
    OR
    56

  • FRAME SIZE
    56
    OR
    58.5

  • FRAME SIZE
    56
    OR
    58.5

  • FRAME SIZE
    58.5

  • FRAME SIZE
    58.5

  • FRAME SIZE
    58.5

  • FRAME SIZE
    58.5



On the border of two sizes?
The right size may depend on certain body measurements and your riding style. Feel free to contact us at any time regarding sizing questions - our product specialists are experienced with finding riders the right fit by cross-referencing your information with our QR Rider Fit database.
Measure for Maximum Performance
If you're not transferring measurements from a similar triathlon specific bike, to get completely "dialed in" for maximum performance, we recommend you see a reputable professional bike fitter that can fit you to your new Quintana Roo.

PRSERIES SIZE GUIDE

Find your frame sizes for the following bikes

PRsix2 | PRsix | PRfive2 | PRfive | PRfour

SELECT YOUR HEIGHT

  • FRAME SIZE
    48

  • FRAME SIZE
    48

  • FRAME SIZE
    48

  • FRAME SIZE
    48

  • FRAME SIZE
    48
    OR
    50

  • FRAME SIZE
    48
    OR
    50

  • FRAME SIZE
    50

  • FRAME SIZE
    50

  • FRAME SIZE
    50
    OR
    52

  • FRAME SIZE
    52

  • FRAME SIZE
    52
    OR
    54

  • FRAME SIZE
    52
    OR
    54

  • FRAME SIZE
    54
    OR
    56

  • FRAME SIZE
    54
    OR
    56

  • FRAME SIZE
    54
    OR
    56

  • FRAME SIZE
    56
    OR
    58.5

  • FRAME SIZE
    56
    OR
    58.5

  • FRAME SIZE
    58.5

  • FRAME SIZE
    58.5

  • FRAME SIZE
    58.5

  • FRAME SIZE
    58.5



On the border of two sizes?
The right size may depend on certain body measurements and your riding style. Feel free to contact us at any time regarding sizing questions - our product specialists are experienced with finding riders the right fit by cross-referencing your information with our QR Rider Fit database.
Measure for Maximum Performance
If you're not transferring measurements from a similar triathlon specific bike, to get completely "dialed in" for maximum performance, we recommend you see a reputable professional bike fitter that can fit you to your new Quintana Roo.

SRSERIES SIZE GUIDE

Find your frame sizes for the following bikes

SRsix | SRfive

SELECT YOUR HEIGHT

  • FRAME SIZE
    XS

  • FRAME SIZE
    XS

  • FRAME SIZE
    XS
    OR
    S

  • FRAME SIZE
    XS
    OR
    S

  • FRAME SIZE
    XS
    OR
    S

  • FRAME SIZE
    S

  • FRAME SIZE
    M

  • FRAME SIZE
    M

  • FRAME SIZE
    M

  • FRAME SIZE
    M
    OR
    L

  • FRAME SIZE
    M
    OR
    L

  • FRAME SIZE
    L

  • FRAME SIZE
    L
    OR
    XL

  • FRAME SIZE
    XL

  • FRAME SIZE
    XL

  • FRAME SIZE
    XL

  • FRAME SIZE
    XL

On the border of two sizes?
The right size may depend on certain body measurements and your riding style. Feel free to contact us at any time regarding sizing questions - our product specialists are experienced with finding riders the right fit by cross-referencing your information with our QR Rider Fit database.
Measure for Maximum Performance
If you're not transferring measurements from a similar triathlon specific bike, to get completely "dialed in" for maximum performance, we recommend you see a reputable professional bike fitter that can fit you to your new Quintana Roo.