Compare: 2026 BMC Switzerland Roadmachine 01 Base 51 vs 2025 LightCarbon LCR018-D Base S(520)

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

Stack	550mm	552mm +2mm
Reach	379mm	377mm -2mm
Stack to Reach Ratio	1.45:1	1.46:1
Seat Tube Length, C-T	461mm	—
Seat Tube Length, Unknown	—	480mm
Top Tube Length, Effective/Horizontal Unknown	—	535mm
Top Tube Length, Actual C-C	537mm	—
Top Tube Slope	11.9deg	10.1deg -1.8deg
Head Tube Angle	71.4deg	72deg +0.6deg
Seat Tube Angle	74.2deg	74deg -0.2deg
Head Tube Length	138mm	137mm -1mm
Bottom Bracket Drop	75mm	78mm +3mm
Bottom Bracket Height	268mm	273mm +5mm
Chainstay Length	415mm	415mm +0mm
Chainstay Length Horizontal	408.2mm	407.6mm -0.6mm
Front-Center	596mm	589.8mm -6.2mm
Front-Center Horizontal	591.8mm	584.6mm -7.2mm
Wheelbase	1000mm	992.2mm -7.8mm
Fork Offset/Rake	50mm	51mm +1mm
Fork Length (On-Axis)	379mm	—
Fork Length, Unknown	—	378mm
Trail	62.7mm mid/neutral	60.4mm -2.3mm mid/neutral
Mechanical Trail	59.4mm	57.5mm -1.9mm
Wheel Flop	19mm	17.8mm -1.2mm
Standover Height	762mm	—
Tire to Pedal Spindle	83mm 170 mm cranks	68.8mm -14.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	103mm +5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	40mm +8mm
Tire Outer Diameter	686mm	702mm +16mm
Bike Length with Tires	1686mm	1694.2mm +8.2mm
Crank Length	170mm	—
Handlebar Width	390438mm	—
Stem Length	90mm	—
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Aero Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc