Compare: 2025 LightCarbon LCR018-D Base S(520) vs 2026 Argon 18 Equation Base S 51-53

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	552mm	558mm +6mm
Reach	377mm	379mm +2mm
Stack to Reach Ratio	1.46:1	1.47:1
Seat Tube Length, C-T	—	485mm
Seat Tube Length, Unknown	480mm	—
Top Tube Length, Effective/Horizontal HT Top	—	537mm
Top Tube Length, Effective/Horizontal Unknown	535mm	—
Top Tube Slope	10.1deg	10.1deg +0deg
Head Tube Angle	72deg	72deg +0deg
Seat Tube Angle	74deg	74.3deg +0.3deg
Head Tube Length	137mm	120mm -17mm
Bottom Bracket Drop	78mm	78mm +0mm
Bottom Bracket Height	273mm	261mm -12mm
Chainstay Length	415mm	420mm +5mm
Chainstay Length Horizontal	407.6mm	412.7mm +5.1mm
Front-Center	589.8mm	589.5mm -0.3mm
Front-Center Horizontal	584.6mm	584.3mm -0.3mm
Wheelbase	992.2mm	997mm +4.8mm
Fork Offset/Rake	51mm	47mm -4mm
Fork Length (Axle-To-Crown)	—	387mm
Fork Length, Unknown	378mm	—
Trail	60.4mm mid/neutral	60.7mm +0.3mm mid/neutral
Mechanical Trail	57.5mm	57.8mm +0.3mm
Wheel Flop	17.8mm	17.9mm +0.1mm
Standover Height	—	734mm
Tire to Pedal Spindle	68.8mm 170 mm cranks	80.5mm +11.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	103mm 170 mm cranks	91mm -12mm 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	1694.2mm	1675mm -19.2mm
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