2021 Simplon Cirex Base M
Build
700C/29 in × 2.25 in
Insights
Average stack and reach vs trend of full-suspension cross-country mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 597mm |
| Reach | 455mm |
| Stack to Reach Ratio | 1.31:1 |
| Seat Tube Length, C-T | 425mm |
| Top Tube Length, Effective/Horizontal HT Top | 604mm |
| Top Tube Slope | 18.3deg |
| Head Tube Angle | 68deg |
| Seat Tube Angle | 76deg |
| Head Tube Length | 102mm |
| Bottom Bracket Drop | 45mm |
| Bottom Bracket Height | 323.2mm |
| Chainstay Length Horizontal | 435mm |
| Front-Center | 724.4mm |
| Front-Center Horizontal | 723mm |
| Wheelbase | 1158mm |
| Fork Offset/Rake | 44mm |
| Fork Length (Axle-To-Crown) | 511mm |
| Trail | 101.3mm very high |
| Mechanical Trail | 93.9mm |
| Wheel Flop | 35.2mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 186.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 153.2mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.25in |
| Tire Outer Diameter | 736.3mm |
| Bike Length with Tires | 1894.3mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Rear Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.simplon.com/en/Bikes/Mountainbikes/Cirex_b_124284