2021 Cannondale Bikes F-Si Base
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Suspension
- 100mm fork travel
Somewhat aggressive 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 | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
XS | S | M | L | XL | |
Stack | 569mm | 602mm | 612mm | 623mm | 635mm |
Reach | 380mm | 400mm | 420mm | 440mm | 460mm |
Stack to Reach Ratio | 1.5:1 | 1.51:1 | 1.46:1 | 1.42:1 | 1.38:1 |
Seat Tube Length, C-T | 330mm | 330mm | 430mm | 480mm | 530mm |
Top Tube Length, Effective/Horizontal Center | 553mm | 583mm | 606mm | 629mm | 653mm |
Top Tube Slope | 28deg | 30deg | 20.2deg | 15.8deg | 11.8deg |
Head Tube Angle | 69deg | 69deg | 69deg | 69deg | 69deg |
Seat Tube Angle | 73.1deg | 73.1deg | 73.1deg | 73.1deg | 73.1deg |
Head Tube Length | 90mm | 90mm | 101mm | 113mm | 126mm |
Bottom Bracket Drop | 45mm | 62mm | 62mm | 62mm | 62mm |
Bottom Bracket Height | 304.2mm | 306.2mm | 306.2mm | 306.2mm | 306.2mm |
Chainstay Length | 423mm | 427mm | 427mm | 427mm | 427mm |
Chainstay Length Horizontal | 420.6mm | 422.5mm | 422.5mm | 422.5mm | 422.5mm |
Front-Center | 636mm | 667mm | 691mm | 714mm | 739mm |
Front-Center Horizontal | 634.4mm | 663.5mm | 687.5mm | 711.5mm | 736.5mm |
Wheelbase | 1055mm | 1086mm | 1110mm | 1134mm | 1159mm |
Fork Offset/Rake | 50mm | 55mm | 55mm | 55mm | 55mm |
Trail | 80.5mm very high | 82.4mm very high | 82.4mm very high | 82.4mm very high | 82.4mm very high |
Mechanical Trail | 75.1mm | 76.9mm | 76.9mm | 76.9mm | 76.9mm |
Wheel Flop | 26.9mm | 27.6mm | 27.6mm | 27.6mm | 27.6mm |
Standover Height | 715mm | 755mm | 793mm | 828mm | 863mm |
Tire to Pedal Spindle | 116.9mm 170 mm cranks | 128.9mm 170 mm cranks | 152.9mm 170 mm cranks | 175.9mm 170 mm cranks | 200.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 134.2mm 170 mm cranks | 136.2mm 170 mm cranks | 136.2mm 170 mm cranks | 136.2mm 170 mm cranks | 136.2mm 170 mm cranks |
Base Build
XS | S | M | L | XL | |
Wheel Size | 650B/27.5 in 584 mm BSD | 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 | 2.25in |
Tire Outer Diameter | 698.3mm | 736.3mm | 736.3mm | 736.3mm | 736.3mm |
Bike Length with Tires | 1753.3mm | 1822.3mm | 1846.3mm | 1870.3mm | 1895.3mm |
Handlebar Width | — | 760mm | 760mm | 760mm | 760mm |
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
Hardtail Cross-country MTBSource:https://www.cannondale.com/