Bike-on-Bike

Generated by Bike Insights
700C/29 in × 40 mm
650B/27.5 in × 47 mm

Insights

Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Cannondale Topstone
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A21

Geometry

Stack
561mm
575mm
+14mm
Reach
373mm
377mm
+4mm
Stack to Reach Ratio
1.5:1
1.53:1
Seat Tube Length, C-T
446mm
510mm
+64mm
Top Tube Length, Effective/Horizontal HT Top
543mm
549mm
+6mm
Top Tube Length, Actual C-C
520mm
Top Tube Slope
15deg
9.4deg
-5.6deg
Head Tube Angle
70.7deg
70deg
-0.7deg
Seat Tube Angle
73.1deg
73.5deg
+0.4deg
Head Tube Length
101mm
139mm
+38mm
Bottom Bracket Drop
79mm
75mm
-4mm
Bottom Bracket Height
272mm
264mm
-8mm
Chainstay Length
420mm
430mm
+10mm
Chainstay Length Horizontal
412.5mm
423.4mm
+10.9mm
Front-Center
605mm
612mm
+7mm
Front-Center Horizontal
599.5mm
606.6mm
+7.1mm
Wheelbase
1012mm
1030mm
+18mm
Fork Offset/Rake
54.5mm
45mm
-9.5mm
Trail
65.2mm
high
75.5mm
+10.3mm
high
Mechanical Trail
61.6mm
70.9mm
+9.3mm
Wheel Flop
20.3mm
24.3mm
+4mm
Standover Height
741mm
Tire to Pedal Spindle
84mm
170 mm cranks
103mm
+19mm
170 mm cranks
Pedal Spindle to Ground Clearance
102mm
170 mm cranks
94mm
-8mm
170 mm cranks

Build

Wheel Size
700C/29 in
622 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
40mm
47mm
+7mm
Tire Outer Diameter
702mm
678mm
-24mm
Bike Length with Tires
1714mm
1708mm
-6mm
Suspension Type
Rigid, non-suspension corrected
Rigid, non-suspension corrected
Bar Type
Drop Bar
Drop Bar
Frame Material
Carbon/Composite
Titanium
Fork Material
Carbon/Composite
Carbon/Composite
Brake Type
Disc
Disc

Meta

Actions
Source
https://www.cannondale.com/en-us/bikes/road/gravel/topstone-carbon/topstone-carbon-1-axs
https://www.serk.cc/a21/
Brand
Bike
Size
Category