Grey Matter SRAM APEX XPLR
Argon 18
Gravel
Grey Matter SRAM APEX XPLR is an alloy gravel road bike (2024), by Argon 18, part of the Grey Matter family. This setup will suit a wide range of riders thanks to its fit flexibility, with a balanced riding position, with a surface profile that is ready for gravel routes as well as pavement. On MatchBikes metrics, it scores well for good fit flexibility for dialing in rider position, all-round climbing capability rather than a narrow specialty, and a balanced ride feel between comfort and directness. What it gives up slightly is less emphasis on outright speed than speed-focused builds and a value score that depends more on priorities than pure price efficiency. Compare this bike on MatchBikes.com to 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 | XXS | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.466 mm | 1.481 mm | 1.495 mm | 1.508 mm | 1.52 mm | 1.544 mm |
| Bottom Bracket Height | 269 mm | 269 mm | 274 mm | 274 mm | 279 mm | 279 mm |
| Front Center | 588 mm | 591 mm | 604 mm | 610 mm | 628 mm | 640 mm |
| Rake | 54 mm | 54 mm | 54 mm | 49 mm | 49 mm | 80 mm |
| Trail | 73 mm | 63 mm | 60 mm | 62 mm | 62 mm | mm |
| Stack | 525 mm | 545 mm | 565 mm | 585 mm | 605 mm | 630 mm |
| Reach | 358 mm | 368 mm | 378 mm | 388 mm | 398 mm | 408 mm |
| Top Tube Length | 496 mm | 517 mm | 538 mm | 560 mm | 582 mm | 607 mm |
| Seat Tube Angle | 75.5 ° | 74.9 ° | 74.3 ° | 73.7 ° | 73.1 ° | 72.5 ° |
| Seat Tube Length | 420 mm | 450 mm | 485 mm | 520 mm | 555 mm | 590 mm |
| Head Tube Angle | 69.5 ° | 71 ° | 71.4 ° | 72 ° | 72 ° | 75.5 ° |
| Head Tube Length | 104 mm | 119 mm | 144 mm | 160 mm | 187 mm | 211 mm |
| Chainstay Length | 428 mm | 428 mm | 428 mm | 428 mm | 430 mm | 432 mm |
| Wheelbase | 1003 mm | 1006 mm | 1021 mm | 1027 mm | 1048 mm | 1062 mm |
| Bottom Bracket Drop | 80 mm | 80 mm | 75 mm | 75 mm | 70 mm | 70 mm |
| Standover Height | 689 mm | 716 mm | 753 mm | 783 mm | 818 mm | 849 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |




























































