Compare: 2024 TWITTER Bikes Gravel v1 Base 540 vs 2023 Giant Bicycles Defy Advanced 2 XL

Insights

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

Design deviates from other sizes of TWITTER Bikes Gravel v1

Average stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Giant Bicycles Defy

Stack	610.5mm	624mm +13.5mm
Reach	407.3mm	398mm -9.3mm
Stack to Reach Ratio	1.5:1	1.57:1
Seat Tube Length, C-T	540mm	565mm +25mm
Top Tube Length, Effective/Horizontal Center	593.9mm	—
Top Tube Length, Effective/Horizontal HT Top	—	595mm
Top Tube Slope	9.5deg	8.5deg -1deg
Head Tube Angle	73.5deg	72.5deg -1deg
Seat Tube Angle	73deg	72.5deg -0.5deg
Head Tube Length	190mm	225mm +35mm
Bottom Bracket Drop	70mm	70mm +0mm
Bottom Bracket Height	281mm	273mm -8mm
Chainstay Length	420mm	420mm +0mm
Chainstay Length Horizontal	414.1mm	414.1mm +0mm
Front-Center	629.7mm	629.8mm +0.1mm
Front-Center Horizontal	624.9mm	625.9mm +1mm
Wheelbase	1039mm	1040mm +1mm
Fork Offset/Rake	55mm	50mm -5mm
Fork Length, Unknown	390mm	—
Trail	46.6mm mid/neutral	55.7mm +9.1mm mid/neutral
Mechanical Trail	44.7mm	53.1mm +8.4mm
Wheel Flop	12.7mm	16mm +3.3mm
Standover Height	—	856mm
Tire to Pedal Spindle	108.7mm 170 mm cranks	111.8mm +3.1mm 175 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	98mm -13mm 175 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	32mm -8mm
Tire Width Max	—	35mm
Tire Outer Diameter	702mm	686mm -16mm
Bike Length with Tires	1741mm	1726mm -15mm
Crank Length	—	175mm
Handlebar Width	—	440mm
Stem Length	—	110mm
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