Cirex SL XTR-12
simplon
Trail
Cirex SL XTR-12 is a carbon trail mountain bike (2023), by Simplon, from the Cirex lineup. It is best suited to riders who want a more active, performance-leaning off-road feel, with a setup that gives you a sporty, active riding position, and is well suited to natural trails and mixed off-road terrain. Its strongest points in the MatchBikes metrics are strong speed potential on smoother terrain, all-round climbing capability rather than a narrow specialty, and capable suspension support for rougher terrain. The trade-off to keep in mind is a firmer ride feel than comfort-first options and a value score that depends more on priorities than pure price efficiency. If this looks close to what you want, compare this bike on MatchBikes.com against similar 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 | 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 |




























































