2019 Specialized Bicycles Men's Sirrus Sport

Category
Fitness
Design
Flat Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Disc brake
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

S
M
L
XL
XXL
Stack
564mm
593mm
611mm
639mm
670mm
Reach
388mm
400mm
402mm
414mm
426mm
Stack to Reach Ratio
1.45:1
1.48:1
1.52:1
1.54:1
1.57:1
Seat Tube Length, C-T
415mm
455mm
495mm
535mm
565mm
Top Tube Length, Effective/Horizontal HT Top
555mm
576mm
583mm
604mm
631mm
Top Tube Slope
18.2deg
16.5deg
14.1deg
12.6deg
12.4deg
Head Tube Angle
70deg
71deg
71.5deg
72deg
72deg
Seat Tube Angle
73.5deg
73.5deg
73.5deg
73.5deg
73deg
Head Tube Length
153mm
179mm
196mm
223mm
256mm
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
626mm
638mm
641mm
656mm
679mm
Front-Center Horizontal
622.6mm
634.6mm
637.6mm
652.6mm
674.6mm
Wheelbase
1057mm
1069mm
1072mm
1087mm
1109mm
Fork Offset/Rake
51mm
51mm
51mm
51mm
51mm
Fork Length (Axle-To-Crown)
390mm
390mm
390mm
390mm
390mm
Trail
70.6mm
high
64.2mm
mid/​neutral
61mm
mid/​neutral
57.8mm
mid/​neutral
57.8mm
mid/​neutral
Mechanical Trail
66.3mm
60.7mm
57.8mm
55mm
55mm
Wheel Flop
22.7mm
19.8mm
18.4mm
17mm
17mm
Standover Height
735mm
775mm
805mm
845mm
875mm
Tire to Pedal Spindle
113mm
170 mm cranks
125mm
170 mm cranks
125.5mm
172.5 mm cranks
140.5mm
172.5 mm cranks
161mm
175 mm cranks
Pedal Spindle to Ground Clearance
103mm
170 mm cranks
103mm
170 mm cranks
100.5mm
172.5 mm cranks
100.5mm
172.5 mm cranks
98mm
175 mm cranks

Sport Build

S
M
L
XL
XXL
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
1743mm
1755mm
1758mm
1773mm
1795mm
Crank Length
170mm
170mm
172.5mm
172.5mm
175mm
Handlebar Width
580mm
580mm
600mm
620mm
620mm
Stem Length
80mm
90mm
100mm
100mm
110mm
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/mens-sirrus-sport/p/154511?color=225852-154511