Cirex SL XT-12
simplon
Trail
Cirex SL XT-12 is a carbon trail mountain bike (2023), from Simplon, in the Cirex series. It is a strong match for riders who want a more active, performance-leaning off-road feel, leaning toward a sporty, active riding position, and is well suited to natural trails and mixed off-road terrain. Its profile is strongest in areas like strong speed potential on smoother terrain, all-round climbing capability rather than a narrow specialty, and capable suspension support for rougher terrain. Compared with more specialized alternatives, the compromise is a firmer ride feel than comfort-first options and a value score that depends more on priorities than pure price efficiency. Next step: compare this bike with other trail models on MatchBikes.com.
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 | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.41 mm | 1.36 mm | 1.31 mm | 1.27 mm |
| Bottom Bracket Height | 334 mm | 334 mm | 334 mm | 334 mm |
| Front Center | 702 mm | 732 mm | 762 mm | 792 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 107 mm | 107 mm | 107 mm | 107 mm |
| Stack | 603 mm | 615 mm | 627 mm | 639 mm |
| Reach | 428 mm | 453 mm | 478 mm | 503 mm |
| Top Tube Length | 584 mm | 612 mm | 634 mm | 662 mm |
| Seat Tube Angle | 75.4 ° | 75.4 ° | 75.9 ° | 75.9 ° |
| Seat Tube Length | 390 mm | 425 mm | 465 mm | 510 mm |
| Head Tube Angle | 67.4 ° | 67.4 ° | 67.4 ° | 67.4 ° |
| Head Tube Length | 89 mm | 102 mm | 115 mm | 128 mm |
| Chainstay Length | 442 mm | 442 mm | 442 mm | 442 mm |
| Wheelbase | 1141 mm | 1171 mm | 1201 mm | 1231 mm |
| Bottom Bracket Drop | 40 mm | 40 mm | 40 mm | 40 mm |
| Standover Height | 764 mm | 764 mm | 764 mm | 764 mm |
| Front Travel | 120 mm | 120 mm | 120 mm | 120 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |




























































