2021 Specialized Bicycles Men's Sirrus X

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

Geometry

XXS
XS
S
M
L
XL
Stack
536mm
555mm
563mm
593mm
608mm
633mm
Reach
373mm
388mm
393mm
398mm
402mm
414mm
Stack to Reach Ratio
1.44:1
1.43:1
1.43:1
1.49:1
1.51:1
1.53:1
Seat Tube Length, C-T
360mm
395mm
440mm
470mm
510mm
530mm
Top Tube Length, Effective/Horizontal Center
532mm
552mm
560mm
574mm
582mm
602mm
Top Tube Slope
21.9deg
19.4deg
15.2deg
15deg
12.3deg
12.5deg
Head Tube Angle
69.5deg
70deg
70deg
71deg
71deg
71deg
Seat Tube Angle
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
Head Tube Length
121mm
139mm
147mm
175mm
191mm
217mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
283mm
283mm
283mm
283mm
283mm
283mm
Chainstay Length
440mm
440mm
440mm
440mm
440mm
440mm
Chainstay Length Horizontal
434.4mm
434.4mm
434.4mm
434.4mm
434.4mm
434.4mm
Front-Center
606mm
623mm
631mm
636mm
645mm
665mm
Front-Center Horizontal
601.6mm
618.6mm
626.6mm
632.6mm
641.6mm
661.6mm
Wheelbase
1036mm
1053mm
1061mm
1067mm
1076mm
1096mm
Fork Offset/Rake
51mm
51mm
51mm
51mm
51mm
51mm
Fork Length, Unknown
395mm
395mm
395mm
395mm
395mm
395mm
Trail
77.5mm
high
74.2mm
high
74.2mm
high
67.6mm
high
67.6mm
high
67.6mm
high
Mechanical Trail
72.6mm
69.7mm
69.7mm
63.9mm
63.9mm
63.9mm
Wheel Flop
25.4mm
23.9mm
23.9mm
20.8mm
20.8mm
20.8mm
Standover Height
702mm
725mm
755mm
785mm
815mm
837mm
Tire to Pedal Spindle
88mm
165 mm cranks
105mm
165 mm cranks
108mm
170 mm cranks
113mm
170 mm cranks
117mm
175 mm cranks
137mm
175 mm cranks
Pedal Spindle to Ground Clearance
118mm
165 mm cranks
118mm
165 mm cranks
113mm
170 mm cranks
113mm
170 mm cranks
108mm
175 mm cranks
108mm
175 mm cranks

X Build

XXS
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
700C/29 in
622 mm BSD
Tire Width
42mm
42mm
42mm
42mm
42mm
42mm
Tire Outer Diameter
706mm
706mm
706mm
706mm
706mm
706mm
Bike Length with Tires
1742mm
1759mm
1767mm
1773mm
1782mm
1802mm
Crank Length
165mm
165mm
170mm
170mm
175mm
175mm
Handlebar Width
660mm
660mm
660mm
680mm
680mm
680mm
Stem Length
60mm
60mm
70mm
80mm
90mm
100mm

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/sirrus-x-3-0/p/187462?color=301083-187462