Bike-on-Bike

Generated by Bike Insights
700C/29 in × 33.5 mm
700C/29 in × 24 mm

Insights

Average stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Giant Bicycles Defy Advanced
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Specialized Bicycles Tarmac

Geometry

Stack
577mm
564mm
-13mm
Reach
384mm
395mm
+11mm
Stack to Reach Ratio
1.5:1
1.43:1
Seat Tube Length, C-T
515mm
501mm
-14mm
Top Tube Length, Effective/Horizontal Center
565mm
Top Tube Length, Actual C-C
560mm
Top Tube Slope
9deg
8.9deg
-0.1deg
Head Tube Angle
72.5deg
73.5deg
+1deg
Seat Tube Angle
73deg
73.25deg
+0.25deg
Head Tube Length
175mm
160mm
-15mm
Bottom Bracket Drop
70mm
69mm
-1mm
Bottom Bracket Height
274.5mm
266mm
-8.5mm
Chainstay Length
420mm
405mm
-15mm
Chainstay Length Horizontal
414.1mm
399.1mm
-15mm
Front-Center
600mm
591mm
-9mm
Front-Center Horizontal
595.9mm
586.9mm
-9mm
Wheelbase
1010mm
986mm
-24mm
Fork Offset/Rake
50mm
43mm
-7mm
Trail
56.2mm
mid/​neutral
54.4mm
-1.8mm
mid/​neutral
Mechanical Trail
53.6mm
52.2mm
-1.4mm
Wheel Flop
16.1mm
14.8mm
-1.3mm
Standover Height
796mm
795mm
-1mm
Tire to Pedal Spindle
85.5mm
170 mm cranks
83.5mm
-2mm
172.5 mm cranks
Pedal Spindle to Ground Clearance
104.5mm
170 mm cranks
93.5mm
-11mm
172.5 mm cranks

Build

Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
33.5mm
24mm
-9.5mm
Tire Outer Diameter
689mm
670mm
-19mm
Bike Length with Tires
1699mm
1656mm
-43mm
Crank Length
170mm
172.5mm
+2.5mm
Handlebar Width
430mm
420mm
-10mm
Stem Length
100mm
100mm
+0mm
Suspension Type
Rigid, non-suspension corrected
Rigid, non-suspension corrected
Bar Type
Drop Bar
Drop Bar
Frame Material
Carbon/Composite
Carbon/Composite
Fork Material
Carbon/Composite
Carbon/Composite
Brake Type
Disc
Disc

Meta

Actions
Source
https://www.giant-bicycles.com/us/defy-advanced-0-2026
https://www.specialized.com/us/en/tarmac-pro-disc-race/p/93249?color=172435-93249
Brand
Bike
Size
Category