Bike-on-Bike

Generated by Bike Insights
700C/29 in × 38 mm
700C/29 in × 42 mm

Insights

Very upright stack and reach vs trend of fitness bikes
Design deviates from other sizes of Specialized Bicycles Sirrus
Very upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of Specialized Bicycles Diverge

Geometry

Stack
635mm
610mm
-25mm
Reach
382mm
392mm
+10mm
Stack to Reach Ratio
1.66:1
1.56:1
Seat Tube Length, C-T
470mm
Seat Tube Length, Unknown
500mm
Top Tube Length, Effective/Horizontal Center
573mm
573mm
+0mm
Top Tube Slope
19.7deg
13.7deg
-6deg
Head Tube Angle
71deg
71.75deg
+0.75deg
Seat Tube Angle
73.5deg
73.5deg
+0deg
Head Tube Length
169mm
133mm
-36mm
Bottom Bracket Drop
70mm
80mm
+10mm
Bottom Bracket Height
279mm
273mm
-6mm
Chainstay Length
440mm
425mm
-15mm
Chainstay Length Horizontal
434.4mm
417.4mm
-17mm
Front-Center
634mm
630mm
-4mm
Front-Center Horizontal
630.6mm
624.6mm
-6mm
Wheelbase
1065mm
1042mm
-23mm
Fork Offset/Rake
51mm
55mm
+4mm
Fork Length (Axle-To-Crown)
395mm
Fork Length, Unknown
390mm
Trail
66.2mm
high
58.5mm
-7.7mm
mid/​neutral
Mechanical Trail
62.6mm
55.6mm
-7mm
Wheel Flop
20.4mm
17.4mm
-3mm
Standover Height
778mm
779mm
+1mm
Tire to Pedal Spindle
115mm
170 mm cranks
104.5mm
-10.5mm
172.5 mm cranks
Pedal Spindle to Ground Clearance
109mm
170 mm cranks
100.5mm
-8.5mm
172.5 mm cranks

Build

Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
38mm
42mm
+4mm
Tire Outer Diameter
698mm
706mm
+8mm
Bike Length with Tires
1763mm
1748mm
-15mm
Crank Length
172.5mm
Handlebar Width
420mm
Stem Length
90mm
Suspension Type
Rigid, non-suspension corrected
Rigid, non-suspension corrected
Bar Type
Flat Bar
Drop Bar
Frame Material
Aluminum
Carbon/Composite
Fork Material
Carbon/Composite
Carbon/Composite
Brake Type
Disc
Disc

Meta

Actions
Source
https://www.specializedconceptstore.co.uk/product/18823/2021-sirrus-x-4-0/
https://www.specialized.com/us/en/diverge-sport-carbon/p/217055?color=350266-217055&searchText=95423-6052
Brand
Bike
Size
Category