2021 Simplon Cirex Base
- Design
- Flat Bar, Full suspension
- Frame
- Carbon/Composite
- Suspension
- 100mm fork travel, 100mm rear travel
- Features
- Disc brake
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S | M | L | XL | |
Stack | 585mm | 597mm | 609mm | 621mm |
Reach | 430mm | 455mm | 480mm | 505mm |
Stack to Reach Ratio | 1.36:1 | 1.31:1 | 1.27:1 | 1.23:1 |
Seat Tube Length, C-T | 390mm | 425mm | 465mm | 510mm |
Top Tube Length, Effective/Horizontal HT Top | 576mm | 604mm | 626mm | 654mm |
Top Tube Slope | 21.5deg | 18.3deg | 14.9deg | 11.4deg |
Head Tube Angle | 68deg | 68deg | 68deg | 68deg |
Seat Tube Angle | 76deg | 76deg | 76deg | 76deg |
Head Tube Length | 89mm | 102mm | 115mm | 128mm |
Bottom Bracket Drop | 45mm | 45mm | 45mm | 45mm |
Bottom Bracket Height | 323.2mm | 323.2mm | 323.2mm | 323.2mm |
Chainstay Length Horizontal | 435mm | 435mm | 435mm | 435mm |
Front-Center | 694.5mm | 724.4mm | 754.3mm | 784.3mm |
Front-Center Horizontal | 693mm | 723mm | 753mm | 783mm |
Wheelbase | 1128mm | 1158mm | 1188mm | 1218mm |
Fork Offset/Rake | 44mm | 44mm | 44mm | 44mm |
Fork Length (Axle-To-Crown) | 511mm | 511mm | 511mm | 511mm |
Trail | 101.3mm very high | 101.3mm very high | 101.3mm very high | 101.3mm very high |
Mechanical Trail | 93.9mm | 93.9mm | 93.9mm | 93.9mm |
Wheel Flop | 35.2mm | 35.2mm | 35.2mm | 35.2mm |
Tire to Pedal Spindle | 156.3mm 170 mm cranks | 186.3mm 170 mm cranks | 216.2mm 170 mm cranks | 246.1mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 153.2mm 170 mm cranks | 153.2mm 170 mm cranks | 153.2mm 170 mm cranks | 153.2mm 170 mm cranks |
Base Build
S | M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.25in | 2.25in | 2.25in | 2.25in |
Tire Outer Diameter | 736.3mm | 736.3mm | 736.3mm | 736.3mm |
Bike Length with Tires | 1864.3mm | 1894.3mm | 1924.3mm | 1954.3mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Full-suspension Cross-country MTBSource:https://www.simplon.com/en/Bikes/Mountainbikes/Cirex_b_124284