Compare: 2026 XDS X-LAB RS5 Base XS vs 2024 TWITTER Bikes Gravel v1 Base 450

Insights

Average stack and reach vs trend of endurance road bikes

Design deviates from other sizes of XDS X-LAB RS5

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

Design deviates from other sizes of TWITTER Bikes Gravel v1

Stack	530mm	547.6mm +17.6mm
Reach	371mm	377.7mm +6.7mm
Stack to Reach Ratio	1.43:1	1.45:1
Seat Tube Length, C-T	440mm	450mm +10mm
Top Tube Length, Effective/Horizontal Center	515mm	539.9mm +24.9mm
Top Tube Slope	12.2deg	12.9deg +0.7deg
Head Tube Angle	71deg	72deg +1deg
Seat Tube Angle	75deg	73.5deg -1.5deg
Head Tube Length	115mm	130mm +15mm
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	590mm	594.9mm +4.9mm
Front-Center Horizontal	585.8mm	590.9mm +5.1mm
Wheelbase	999mm	1005mm +6mm
Fork Offset/Rake	50mm	55mm +5mm
Fork Length (On-Axis)	386mm	—
Fork Length, Unknown	—	390mm
Trail	65.2mm high	56.2mm -9mm mid/neutral
Mechanical Trail	61.7mm	53.5mm -8.2mm
Wheel Flop	20.1mm	16.5mm -3.6mm
Standover Height	725mm	—
Tire to Pedal Spindle	82mm 165 mm cranks	73.9mm -8.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	103mm 165 mm cranks	111mm +8mm 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	38mm	—
Tire Outer Diameter	686mm	702mm +16mm
Bike Length with Tires	1685mm	1707mm +22mm
Crank Length	165mm	—
Handlebar Width	380mm	—
Stem Length	80mm	—
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Aluminum	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc