2015 Giant Bicycles Defy Advanced Pro 1 Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake

Geometry

XS/43.0
S/46.5
M/50.0
M/L/53.5
L/55.5
XL/58.5
Stack
523mm
545mm
566mm
585mm
604mm
623mm
Reach
365mm
373mm
377mm
381mm
390mm
398mm
Stack to Reach Ratio
1.43:1
1.46:1
1.5:1
1.54:1
1.55:1
1.57:1
Seat Tube Length, C-C
410mm
445mm
480mm
515mm
535mm
565mm
Top Tube Length, Actual C-C
515mm
530mm
545mm
560mm
575mm
595mm
Head Tube Angle
71deg
72deg
72.5deg
72.5deg
72.5deg
72.5deg
Seat Tube Angle
74deg
74deg
73.5deg
73deg
73deg
72.5deg
Head Tube Length
125mm
145mm
165mm
185mm
205mm
225mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
266mm
266mm
266mm
266mm
266mm
266mm
Chainstay Length
420mm
420mm
420mm
420mm
420mm
420mm
Chainstay Length Horizontal
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
Front-Center
573.2mm
580.1mm
585.1mm
597mm
611.9mm
626.8mm
Front-Center Horizontal
568.9mm
575.9mm
580.9mm
592.9mm
607.9mm
622.9mm
Wheelbase
983mm
990mm
995mm
1007mm
1022mm
1037mm
Fork Offset/Rake
45.3mm
46.2mm
45.3mm
47.2mm
47.2mm
48.2mm
Trail
67.8mm
high
60.6mm
mid/​neutral
58.5mm
mid/​neutral
56.4mm
mid/​neutral
56.4mm
mid/​neutral
55.4mm
mid/​neutral
Mechanical Trail
64.1mm
57.7mm
55.8mm
53.8mm
53.8mm
52.9mm
Wheel Flop
20.9mm
17.8mm
16.8mm
16.2mm
16.2mm
15.9mm
Standover Height
736.6mm
754.4mm
777.2mm
789.9mm
812.8mm
833.1mm
Tire to Pedal Spindle
67.2mm
170 mm cranks
74.1mm
170 mm cranks
79.1mm
170 mm cranks
91mm
170 mm cranks
105.9mm
170 mm cranks
120.8mm
170 mm cranks
Pedal Spindle to Ground Clearance
96mm
170 mm cranks
96mm
170 mm cranks
96mm
170 mm cranks
96mm
170 mm cranks
96mm
170 mm cranks
96mm
170 mm cranks

Base Build

XS/43.0
S/46.5
M/50.0
M/L/53.5
L/55.5
XL/58.5
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
25mm
25mm
25mm
25mm
25mm
25mm
Tire Outer Diameter
672mm
672mm
672mm
672mm
672mm
672mm
Bike Length with Tires
1655mm
1662mm
1667mm
1679mm
1694mm
1709mm

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
Endurance Road
Source:https://www.giant-bicycles.com/us/defy-advanced-pro-1-2015