2021 Cannondale Bikes F-Si Base

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 Scale
Source:https://www.cannondale.com/