2018 Specialized Bicycles Men's Sirrus Sport S

Build

700C/29 in × 32 mm

Insights

Somewhat upright stack and reach vs trend of fitness bikes
Design deviates from other sizes of Specialized Bicycles Men's Sirrus

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
564mm
Reach
388mm
Stack to Reach Ratio
1.45:1
Seat Tube Length, C-T
415mm
Top Tube Length, Effective/Horizontal Center
555mm
Top Tube Slope
18.2deg
Head Tube Angle
70deg
Seat Tube Angle
73deg
Head Tube Length
153mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
273mm
Chainstay Length
440mm
Chainstay Length Horizontal
434.4mm
Front-Center
626mm
Front-Center Horizontal
622.6mm
Wheelbase
1057mm
Fork Offset/Rake
51mm
Fork Length (Axle-To-Crown)
390mm
Trail
70.6mm
high
Mechanical Trail
66.3mm
Wheel Flop
22.7mm
Standover Height
735mm
Tire to Pedal Spindle Distance
With 170 mm cranks
113mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
103mm

Sport Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
32mm
Tire Outer Diameter
686mm
Bike Length with Tires
1743mm
Crank Length
170mm
Handlebar Width
580mm
Stem Length
80mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://www.specialized.com/us/en/mens-sirrus-sport/p/128883?color=239677-128883