Compare: 2026 TWITTER Bikes X7 Base 49 vs 2026 XDS X-LAB RS7 Base S

Insights

Somewhat upright stack and reach vs trend of performance road bikes

Design deviates from other sizes of TWITTER Bikes X7

Bar type unusual for category

This: Aero Bar
Category: Drop Bar

Somewhat upright stack and reach vs trend of performance road bikes

Design deviates from other sizes of XDS X-LAB RS7

Stack	532mm	535mm +3mm
Reach	365mm	370mm +5mm
Stack to Reach Ratio	1.46:1	1.45:1
Seat Tube Length, C-T	—	440mm
Seat Tube Length, Unknown	458mm	—
Top Tube Length, Effective/Horizontal Unknown	532mm	—
Top Tube Length, Actual C-C	—	515mm
Top Tube Slope	10.6deg	12.8deg +2.2deg
Head Tube Angle	72.2deg	72deg -0.2deg
Seat Tube Angle	74deg	75deg +1deg
Head Tube Length	113mm	135mm +22mm
Bottom Bracket Drop	72mm	72mm +0mm
Bottom Bracket Height	269mm	271mm +2mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.6mm	403.6mm +0mm
Front-Center	578mm	577mm -1mm
Front-Center Horizontal	573.4mm	572.4mm -1mm
Wheelbase	977mm	976mm -1mm
Fork Offset/Rake	44mm	49.4mm +5.4mm
Fork Length, Unknown	367mm	—
Trail	63.3mm mid/neutral	59.5mm -3.8mm mid/neutral
Mechanical Trail	60.2mm	56.6mm -3.6mm
Wheel Flop	18.4mm	17.5mm -0.9mm
Standover Height	—	752mm
Tire to Pedal Spindle	67mm 170 mm cranks	69mm +2mm 165 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	106mm +7mm 165 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	30mm	32mm +2mm
Tire Outer Diameter	682mm	686mm +4mm
Bike Length with Tires	1659mm	1662mm +3mm
Crank Length	—	165mm
Handlebar Width	—	360mm
Stem Length	—	100mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Aero Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc