Compare: 2025 LightCarbon LCR017-D Base 540 vs 2026 XDS X-LAB AD8 Base M

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of XDS X-LAB AD8

Stack	541.9mm	534mm -7.9mm
Reach	390.8mm	387mm -3.8mm
Stack to Reach Ratio	1.39:1	1.38:1
Seat Tube Length, C-T	—	515mm
Seat Tube Length, Unknown	522mm	—
Top Tube Length, Effective/Horizontal Center	550mm	—
Top Tube Length, Actual C-C	—	540mm
Top Tube Slope	4.4deg	4.2deg -0.2deg
Head Tube Angle	72.5deg	73deg +0.5deg
Seat Tube Angle	73.6deg	74deg +0.4deg
Head Tube Length	141mm	130mm -11mm
Bottom Bracket Drop	70mm	70mm +0mm
Bottom Bracket Height	269mm	269mm +0mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	404mm	404mm +0mm
Front-Center	590.9mm	583mm -7.9mm
Front-Center Horizontal	586.8mm	578mm -8.8mm
Wheelbase	990.8mm	982mm -8.8mm
Fork Offset/Rake	45mm	43mm -2mm
Fork Length, Unknown	368mm	—
Trail	59.7mm mid/neutral	58.7mm -1mm mid/neutral
Mechanical Trail	56.9mm	56.1mm -0.8mm
Wheel Flop	17.1mm	16.4mm -0.7mm
Standover Height	793.1mm	792mm -1.1mm
Tire to Pedal Spindle	81.9mm 170 mm cranks	79mm -2.9mm 165 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	104mm +5mm 165 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	1668.8mm	1660mm -8.8mm
Crank Length	—	165mm
Handlebar Width	—	380mm
Stem Length	—	100mm
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