Compare: 2024 XDS X-LAB AD9 Base S vs 2025 Van Rysel RCR-F Base XS

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of XDS X-LAB AD9

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Van Rysel RCR-F

Stack	520mm	515mm -5mm
Reach	379mm	382.5mm +3.5mm
Stack to Reach Ratio	1.37:1	1.35:1
Seat Tube Length, C-T	503mm	—
Seat Tube Length, C-TTT	—	463mm
Top Tube Length, Effective/Horizontal HT Top	523mm	536.4mm +13.4mm
Top Tube Slope	3.9deg	5.6deg +1.7deg
Head Tube Angle	71.5deg	72deg +0.5deg
Seat Tube Angle	74.5deg	74deg -0.5deg
Head Tube Length	118mm	114mm -4mm
Bottom Bracket Drop	72mm	70mm -2mm
Bottom Bracket Height	267mm	269mm +2mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.6mm	404mm +0.4mm
Front-Center	582mm	578.5mm -3.5mm
Front-Center Horizontal	574mm	574.2mm +0.2mm
Wheelbase	977.6mm	978.2mm +0.6mm
Fork Offset/Rake	48mm	45mm -3mm
Fork Length, Unknown	370mm	367mm -3mm
Trail	62.8mm mid/neutral	62.8mm +0mm mid/neutral
Mechanical Trail	59.6mm	59.8mm +0.2mm
Wheel Flop	18.9mm	18.5mm -0.4mm
Tire to Pedal Spindle	73mm 170 mm cranks	69.5mm -3.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	99mm +2mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm +0mm
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1655.6mm	1656.2mm +0.6mm
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

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://www.strava.com/activities/13166134939	https://www.vanryselus.com/collections/aero-road-bikes/products/rcr-f-pro-ultegra-di2
Brand	XDS X-LAB	Van Rysel
Bike	2024 AD9 Base	2025 RCR-F Base
Size	S	XS
Category	Performance Road	Performance Road