Compare: 2025 LightCarbon LCR017-D Base 520 vs 2026 XDS X-LAB AD8 Base S

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of XDS X-LAB AD8

Stack	521.2mm	520mm -1.2mm
Reach	390.8mm	379mm -11.8mm
Stack to Reach Ratio	1.33:1	1.37:1
Seat Tube Length, C-T	—	495mm
Seat Tube Length, Unknown	500mm	—
Top Tube Length, Effective/Horizontal Center	540mm	—
Top Tube Length, Actual C-C	—	523mm
Top Tube Slope	4.4deg	4.7deg +0.3deg
Head Tube Angle	72deg	72deg +0deg
Seat Tube Angle	74deg	75deg +1deg
Head Tube Length	121mm	118mm -3mm
Bottom Bracket Drop	70mm	72mm +2mm
Bottom Bracket Height	269mm	267mm -2mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	404mm	403.6mm -0.4mm
Front-Center	588.9mm	582mm -6.9mm
Front-Center Horizontal	584.7mm	574.4mm -10.3mm
Wheelbase	988.7mm	978mm -10.7mm
Fork Offset/Rake	45mm	48mm +3mm
Fork Length, Unknown	368mm	—
Trail	62.8mm mid/neutral	59.7mm -3.1mm mid/neutral
Mechanical Trail	59.8mm	56.8mm -3mm
Wheel Flop	18.5mm	17.5mm -1mm
Standover Height	772mm	774mm +2mm
Tire to Pedal Spindle	79.9mm 170 mm cranks	83mm +3.1mm 160 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	107mm +8mm 160 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm +0mm
Tire Width Max	32mm	—
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1666.7mm	1656mm -10.7mm
Crank Length	—	160mm
Handlebar Width	—	360mm
Stem Length	—	90mm
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