2019 Specialized Bicycles Women's Sirrus Base

Category
Fitness
Design
Flat Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Aluminum
Features
Disc brake, Women's
Somewhat upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

XS
S
M
L
XL
Stack
537mm
556mm
581mm
593mm
611mm
Reach
372mm
373mm
383mm
400mm
402mm
Stack to Reach Ratio
1.44:1
1.49:1
1.52:1
1.48:1
1.52:1
Seat Tube Length, C-T
345mm
380mm
425mm
455mm
495mm
Top Tube Length, Effective/Horizontal HT Top
531mm
538mm
555mm
576mm
583mm
Top Tube Slope
23.7deg
21.7deg
19deg
16.5deg
14.1deg
Head Tube Angle
69.5deg
70deg
71deg
71deg
71.5deg
Seat Tube Angle
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
Head Tube Length
126mm
144mm
166mm
179mm
196mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
273mm
273mm
273mm
273mm
273mm
Chainstay Length
440mm
440mm
440mm
440mm
440mm
Chainstay Length Horizontal
434.4mm
434.4mm
434.4mm
434.4mm
434.4mm
Front-Center
605mm
608mm
617mm
638mm
641mm
Front-Center Horizontal
601.6mm
604.6mm
612.6mm
634.6mm
637.6mm
Wheelbase
1036mm
1039mm
1047mm
1069mm
1072mm
Fork Offset/Rake
51mm
51mm
51mm
51mm
51mm
Fork Length (Axle-To-Crown)
390mm
390mm
390mm
390mm
390mm
Trail
73.8mm
high
70.6mm
high
64.2mm
mid/​neutral
64.2mm
mid/​neutral
61mm
mid/​neutral
Mechanical Trail
69.1mm
66.3mm
60.7mm
60.7mm
57.8mm
Wheel Flop
24.2mm
22.7mm
19.8mm
19.8mm
18.4mm
Standover Height
690mm
715mm
745mm
775mm
805mm
Tire to Pedal Spindle
97mm
165 mm cranks
100mm
165 mm cranks
104mm
170 mm cranks
125mm
170 mm cranks
128mm
170 mm cranks
Pedal Spindle to Ground Clearance
108mm
165 mm cranks
108mm
165 mm cranks
103mm
170 mm cranks
103mm
170 mm cranks
103mm
170 mm cranks

Base Build

XS
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
700C/29 in
622 mm BSD
Tire Width
32mm
32mm
32mm
32mm
32mm
Tire Outer Diameter
686mm
686mm
686mm
686mm
686mm
Bike Length with Tires
1722mm
1725mm
1733mm
1755mm
1758mm
Crank Length
165mm
165mm
170mm
170mm
170mm
Handlebar Width
580mm
580mm
600mm
600mm
620mm
Stem Length
70mm
80mm
90mm
100mm
100mm
Stem Angle
7deg
7deg
7deg
7deg
7deg

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
Category Trend
Fitness
Source:https://www.specialized.com/us/en/womens-sirrus/p/154520?color=225898-154520