Compare: 2023 Giant Bicycles Defy Advanced 2 ML vs 2022 Serk Titanium A30 Base L

Insights

Average stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Giant Bicycles Defy

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Serk Titanium A30

Stack	586mm	575mm -11mm
Reach	381mm	390mm +9mm
Stack to Reach Ratio	1.54:1	1.47:1
Seat Tube Length, C-T	515mm	530mm +15mm
Top Tube Length, Effective/Horizontal HT Top	560mm	567mm +7mm
Top Tube Slope	10deg	7.1deg -2.9deg
Head Tube Angle	72.5deg	73deg +0.5deg
Seat Tube Angle	73deg	73deg +0deg
Head Tube Length	185mm	156mm -29mm
Bottom Bracket Drop	70mm	73mm +3mm
Bottom Bracket Height	273mm	268mm -5mm
Chainstay Length	420mm	418mm -2mm
Chainstay Length Horizontal	414.1mm	411.6mm -2.5mm
Front-Center	600mm	592.9mm -7.1mm
Front-Center Horizontal	595.9mm	588.4mm -7.5mm
Wheelbase	1010mm	1000mm -10mm
Fork Offset/Rake	50mm	43mm -7mm
Trail	55.7mm mid/neutral	59.3mm +3.6mm mid/neutral
Mechanical Trail	53.1mm	56.7mm +3.6mm
Wheel Flop	16mm	16.6mm +0.6mm
Standover Height	816mm	—
Tire to Pedal Spindle	84.5mm 172.5 mm cranks	81.9mm -2.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	100.5mm 172.5 mm cranks	98mm -2.5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	30mm -2mm
Tire Outer Diameter	686mm	682mm -4mm
Bike Length with Tires	1696mm	1682mm -14mm
Crank Length	172.5mm	—
Handlebar Width	420mm	—
Stem Length	100mm	—
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

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://www.giant-bicycles.com/fr/defy-advanced-pro-2-axs-2023	https://www.serk.cc/a30-2/
Brand	Giant Bicycles	Serk Titanium
Bike	2023 Defy Advanced 2	2022 A30 Base
Size	ML	L
Category	Endurance Road	Endurance Road