Compare: 2023 Giant Bicycles Defy Advanced 2 M vs 2024 TWITTER Bikes Gravel v1 Base 480

Insights

Average stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Giant Bicycles Defy

Average stack and reach vs trend of all-road/gravel bikes

Stack	567mm	568.5mm +1.5mm
Reach	377mm	381.9mm +4.9mm
Stack to Reach Ratio	1.5:1	1.49:1
Seat Tube Length, C-T	480mm	480mm +0mm
Top Tube Length, Effective/Horizontal Center	—	550.3mm
Top Tube Length, Effective/Horizontal HT Top	545mm	—
Top Tube Slope	11.8deg	11.8deg +0deg
Head Tube Angle	72.5deg	72.5deg +0deg
Seat Tube Angle	73.5deg	73.5deg +0deg
Head Tube Length	160mm	150mm -10mm
Bottom Bracket Drop	75mm	70mm -5mm
Bottom Bracket Height	268mm	281mm +13mm
Chainstay Length	420mm	420mm +0mm
Chainstay Length Horizontal	413.3mm	414.1mm +0.8mm
Front-Center	589.5mm	600.8mm +11.3mm
Front-Center Horizontal	584.8mm	596.9mm +12.1mm
Wheelbase	998mm	1011mm +13mm
Fork Offset/Rake	50mm	55mm +5mm
Fork Length, Unknown	—	390mm
Trail	55.7mm mid/neutral	53mm -2.7mm mid/neutral
Mechanical Trail	53.1mm	50.6mm -2.5mm
Wheel Flop	16mm	15.2mm -0.8mm
Standover Height	786mm	—
Tire to Pedal Spindle	74mm 172.5 mm cranks	79.8mm +5.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	95.5mm 172.5 mm cranks	111mm +15.5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	40mm +8mm
Tire Width Max	35mm	—
Tire Outer Diameter	686mm	702mm +16mm
Bike Length with Tires	1684mm	1713mm +29mm
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	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc