GXA Aluminium Disc Gravel Bike – Shimano Ultegra R8170-Di2-12SPD
dolan
Gravel
GXA Aluminium Disc Gravel Bike – Shimano Ultegra R8170-Di2-12SPD is an alloy gravel road bike (2024), from Dolan. It is best suited to riders who prioritize comfort, confidence, and longer rides, with a setup that gives you a comfort-leaning riding position, while being a good fit for mixed paved-road conditions. Metric-wise, it stands out for good fit flexibility for dialing in rider position, balanced, versatile speed for everyday riding, and less emphasis on aero shaping than on comfort or versatility. What it gives up slightly is a firmer ride feel than comfort-first options and a value score that depends more on priorities than pure price efficiency. Add this bike to compare on MatchBikes.com and see how it stacks up against similar gravel models.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Cockpit
Seat
Geometry
| Measurement | 49cm | 52cm | 54cm | 56cm | 58cm | 61cm |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.478 mm | 1.514 mm | 1.542 mm | 1.558 mm | 1.59 mm | 1.544 mm |
| Stack | 541 mm | 560 mm | 572 mm | 592 mm | 609 mm | 624 mm |
| Reach | 366 mm | 370 mm | 371 mm | 380 mm | 383 mm | 404.2 mm |
| Top Tube Length | 525 mm | 535 mm | 545 mm | 560 mm | 575 mm | 595 mm |
| Seat Tube Angle | 74.5 ° | 74 ° | 73 ° | 73 ° | 72.5 ° | 73 ° |
| Seat Tube Length | 490 mm | 520 mm | 540 mm | 560 mm | 580 mm | 610 mm |
| Head Tube Angle | 70.5 ° | 71 ° | 71.5 ° | 72 ° | 72 ° | 72 ° |
| Head Tube Length | 120 mm | 140 mm | 150 mm | 170 mm | 190 mm | 210 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 155 cm | 161 cm | 166 cm | 172 cm | 178 cm | 183 cm |
| Rider Max Height | 163 cm | 169 cm | 175 cm | 181 cm | 186 cm | 191 cm |




























































