Compare: 2026 XDS X-LAB RS5 Base XL vs 2025 LightCarbon LCR018-D Base XL(580)

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 endurance road bikes

Design deviates from other sizes of LightCarbon LCR018-D

Bar type unusual for category

This: Aero Bar
Category: Drop Bar

Stack	623mm	605.8mm -17.2mm
Reach	394mm	396mm +2mm
Stack to Reach Ratio	1.58:1	1.53:1
Seat Tube Length, C-T	560mm	—
Seat Tube Length, Unknown	—	530mm
Top Tube Length, Effective/Horizontal Center	585mm	—
Top Tube Length, Effective/Horizontal Unknown	—	579.2mm
Top Tube Slope	8.9deg	10.2deg +1.3deg
Head Tube Angle	73deg	72.6deg -0.4deg
Seat Tube Angle	73deg	73.2deg +0.2deg
Head Tube Length	205mm	194mm -11mm
Bottom Bracket Drop	75mm	74mm -1mm
Bottom Bracket Height	268mm	277mm +9mm
Chainstay Length	420mm	415mm -5mm
Chainstay Length Horizontal	413.3mm	408.4mm -4.9mm
Front-Center	624mm	616.4mm -7.6mm
Front-Center Horizontal	619.8mm	612mm -7.8mm
Wheelbase	1033mm	1020.3mm -12.7mm
Fork Offset/Rake	50mm	47mm -3mm
Fork Length (On-Axis)	386mm	—
Fork Length, Unknown	—	378mm
Trail	52.6mm mid/neutral	60.7mm +8.1mm mid/neutral
Mechanical Trail	50.3mm	58mm +7.7mm
Wheel Flop	14.7mm	17.3mm +2.6mm
Standover Height	831mm	—
Tire to Pedal Spindle	108.5mm 172.5 mm cranks	95.4mm -13.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	95.5mm 172.5 mm cranks	107mm +11.5mm 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	1719mm	1722.3mm +3.3mm
Crank Length	172.5mm	—
Handlebar Width	420mm	—
Stem Length	100mm	—
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Aero Bar
Frame Material	Aluminum	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc