Compare: 2025 LightCarbon LCR018-D Base XS(500) vs 2026 Argon 18 Equation Base XS 47-50

Insights

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

Average stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Argon 18 Equation

Stack	538.1mm	537mm -1.1mm
Reach	371mm	369mm -2mm
Stack to Reach Ratio	1.45:1	1.46:1
Seat Tube Length, C-T	—	450mm
Seat Tube Length, Unknown	460mm	—
Top Tube Length, Effective/Horizontal HT Top	—	516mm
Top Tube Length, Effective/Horizontal Unknown	520mm	—
Top Tube Slope	10.9deg	11.9deg +1deg
Head Tube Angle	71.3deg	71.3deg +0deg
Seat Tube Angle	74.5deg	74.9deg +0.4deg
Head Tube Length	125mm	101mm -24mm
Bottom Bracket Drop	78mm	80mm +2mm
Bottom Bracket Height	273mm	259mm -14mm
Chainstay Length	415mm	417mm +2mm
Chainstay Length Horizontal	407.6mm	409.3mm +1.7mm
Front-Center	589.5mm	585.2mm -4.3mm
Front-Center Horizontal	584.4mm	579.8mm -4.6mm
Wheelbase	992mm	989mm -3mm
Fork Offset/Rake	51mm	52mm +1mm
Fork Length (Axle-To-Crown)	—	387mm
Fork Length, Unknown	378mm	—
Trail	65mm mid/neutral	59.9mm -5.1mm mid/neutral
Mechanical Trail	61.5mm	56.7mm -4.8mm
Wheel Flop	19.7mm	18.2mm -1.5mm
Standover Height	—	700mm
Tire to Pedal Spindle	68.5mm 170 mm cranks	76.2mm +7.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	103mm 170 mm cranks	89mm -14mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	28mm -12mm
Tire Outer Diameter	702mm	678mm -24mm
Bike Length with Tires	1694mm	1667mm -27mm
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