Speed Concept SLR 9 AXS
Trek
Triathlon
Speed Concept SLR 9 AXS is a carbon triathlon road bike (2024), from Trek, part of the Speed Concept family. It is a strong match for performance-focused riders who want an aggressive position, with an aggressive, race-leaning riding position, and is best matched to paved roads. Its profile is strongest in areas like a clearly aero-focused setup for faster road riding, strong speed potential on smoother terrain, and all-round climbing capability rather than a narrow specialty. At the same time, relative to category specialists, the trade-off is a firmer ride feel than comfort-first options and a value score that depends more on priorities than pure price efficiency. Compare this bike on MatchBikes.com to similar triathlon models.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Seat
Geometry
| Measurement | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.26 mm | 1.24 mm | 1.27 mm | 1.27 mm |
| Bottom Bracket Height | 256 mm | 256 mm | 256 mm | 256 mm |
| Front Center | 571 mm | 598 mm | 623 mm | 650 |
| Rake | 41 mm | 37 mm | 44 mm | 45 mm |
| Trail | 61 mm | 60 mm | 60 mm | 60 mm |
| Stack | 489 mm | 514 mm | 538 mm | 562 mm |
| Reach | 387 mm | 413 mm | 423 mm | 442 mm |
| Top Tube Length | 492 mm | 515 mm | 538 mm | 562 mm |
| Seat Tube Angle | 78 ° | 78 ° | 78 ° | 78 ° |
| Seat Tube Length | 499 mm | 525 mm | 549 mm | 574 mm |
| Head Tube Angle | 72.2 ° | 72.5 ° | 72.5 ° | 72.5 ° |
| Head Tube Length | 65 mm | 90 mm | 115 mm | 140 mm |
| Chainstay Length | 407 mm | 407 mm | 407 mm | 407 mm |
| Wheelbase | 964 mm | 992 mm | 1017 mm | 1044 mm |
| Bottom Bracket Drop | 80 mm | 80 mm | 80 mm | 80 mm |
| Standover Height | 757 mm | 782 mm | 805 mm | 828 mm |
| Wheels | 700 | 700 | 700 | 700 |
| Rider Min Height | 154 cm | 166 cm | 174 cm | 185 cm |
| Rider Max Height | 168 cm | 176 cm | 187 cm | 198 cm |




























































