GR:ONE GRX Di2 2x12
GR:ONE GRX Di2 2x12
Meet the GR:One
The QuickPro GR:One is fast and versatile, built for racing,
exploration, and everything in between. Its lightweight carbon frame,
stable handling, and adaptable design deliver confidence inspiring
performance across rough roads, loose gravel, and long-distance adventures.
Designed to tackle
adventures on and
off road.Frameset weight
of 879g.Precision tuned fork
for multi-surface
riding.High-Strength
High-Modulus
Carbon Fiber.Lightweight
integrated
handlebar.Customisable
componentry.
Your bike, your way.
GR:ONE GRX Di2 2x12 Specifications
Size Options
XS/426, SM/456, MD/486,
LG/516, XL/546
Frameset Material
High-Strength High-Modulus
Carbon Fiber
- Frameset Weight: 879g
- Fork Weight: 459g
Brakes
Front Brake
Shimano BR-RX820
Rear Brake
Shimano BR-RX820
Brake Rotors
SM-CL-800
(160mm Front/160mm Rear)
Drivetrain
Shift Lever
Shimano GRX ST-RX815
Derailleurs
Front: Shimano FD-RX825
Rear: Shimano RD-RX827
Cassette
Shimano CS-HG710-12
(11/36T)
Chain
Shimano CN-M8100
Crankset
Shimano FC-RX820
170mm length & 48/31T chainrings
Bottom Bracket
QuickPro/SSpade
Stainless Steel
T47/68mm
Wheelsets
Find Your GR:One Fit
Rider Size Guide
Use your rider height
to find your ideal
GR:One frame size.
Frame Size
Geometry Diagram
Key frame measurements
that define fit, handling
and ride feel.
| XS/426 | S/456 | M/486 | L/516 | XL/546 | ||
|---|---|---|---|---|---|---|
| A | Size / ST Length (mm) | 426 | 456 | 486 | 516 | 546 |
| B | Virtual TT (mm) | 518 | 535 | 553 | 572 | 590 |
| C | ST Angle (°) | 74.2° | 74° | 73.6° | 73.3° | 73.8° |
| D | HT Angle (°) | 70.5° | 71° | 71° | 71° | 71° |
| E | HT Length (mm) | 95 | 113 | 132 | 152 | 172 |
| F | RC Length (mm) | 425 | 425 | 425 | 425 | 425 |
| G | Wheel Base (mm) | 1006 | 1016 | 1032 | 1048 | 1062 |
| H | Fork Rake (mm) | 55 | 55 | 55 | 55 | 55 |
| I | BB Drop (mm) | 75 | 75 | 75 | 75 | 75 |
| J | Fork Length (mm) | 400 | 400 | 400 | 400 | 400 |
| K | Standover (mm) | 723 | 742 | 760 | 779 | 798 |
| — | Reach (mm) | 370 | 379 | 388 | 398 | 405 |
| — | Stack (mm) | 524 | 543 | 561 | 580 | 599 |
Blog posts
Why High-Performance Cycling Shouldn’t Be Exclusive Anymore
From Local Roads to WorldTour: What Pro-Level Partnerships Mean for Riders
