2025 LightCarbon LCR018-D Base

	XXS(470)	XS(500)	50	S(520)	52	M(540)	M(540)	L(560)	L(560)	XL(580)
Stack	519.6mm	538.1mm	538.1mm	552mm	552mm	569mm	569mm	586.8mm	586.8mm	605.8mm
Reach	365mm	371mm	371mm	377mm	377mm	383mm	383mm	389mm	389mm	396mm
Stack to Reach Ratio	1.42:1	1.45:1	1.45:1	1.46:1	1.46:1	1.49:1	1.49:1	1.51:1	1.51:1	1.53:1
Seat Tube Length, C-T	—	—	460mm	—	480mm	—	—	—	—	—
Seat Tube Length, Unknown	440mm	460mm	—	480mm	—	500mm	500mm	518mm	518mm	530mm
Top Tube Length, Effective/Horizontal Center	—	—	520mm	—	535mm	—	—	—	—	—
Top Tube Length, Effective/Horizontal HT Top	—	—	—	—	—	—	549.7mm	—	563.1mm	—
Top Tube Length, Effective/Horizontal Unknown	503.9mm	520mm	—	535mm	—	549.7mm	—	563.1mm	—	579.2mm
Top Tube Slope	11.2deg	10.9deg	10.9deg	10.1deg	10.1deg	9.7deg	9.7deg	9.5deg	9.5deg	10.2deg
Head Tube Angle	70.9deg	71.3deg	71.3deg	72deg	72deg	72deg	72deg	72.6deg	72.6deg	72.6deg
Seat Tube Angle	75deg	74.5deg	74.5deg	74deg	74deg	73.7deg	73.7deg	73.5deg	73.5deg	73.2deg
Head Tube Length	107mm	125mm	125mm	137mm	137mm	157mm	157mm	172mm	172mm	194mm
Bottom Bracket Drop	78mm	78mm	78mm	78mm	78mm	76mm	76mm	76mm	76mm	74mm
Bottom Bracket Height	273mm	273mm	263mm	273mm	263mm	275mm	273mm	275mm	273mm	277mm
Chainstay Length	415mm	415mm	415mm	415mm	415mm	415mm	415mm	415mm	415mm	415mm
Chainstay Length Horizontal	407.6mm	407.6mm	407.6mm	407.6mm	407.6mm	408mm	408mm	408mm	408mm	408.4mm
Front-Center	580.9mm	589.5mm	589.5mm	589.8mm	589.8mm	601.6mm	601.6mm	603.1mm	603.1mm	616.4mm
Front-Center Horizontal	575.7mm	584.4mm	584.4mm	584.6mm	584.6mm	596.8mm	596.8mm	598.3mm	598.3mm	612mm
Wheelbase	983.3mm	992mm	992mm	992.2mm	992.2mm	1004.8mm	1004.8mm	1006.3mm	1006.3mm	1020.3mm
Fork Offset/Rake	51mm	51mm	51mm	51mm	51mm	51mm	51mm	47mm	47mm	47mm
Fork Length (Axle-To-Crown)	—	—	378mm	—	—	—	378mm	—	378mm	—
Fork Length, Unknown	378mm	378mm	—	378mm	378mm	378mm	—	378mm	—	378mm
Trail	67.6mm high	65mm mid/neutral	61.6mm mid/neutral	60.4mm mid/neutral	57.2mm mid/neutral	60.4mm mid/neutral	59.8mm mid/neutral	60.7mm mid/neutral	60.1mm mid/neutral	60.7mm mid/neutral
Mechanical Trail	63.9mm	61.5mm	58.3mm	57.5mm	54.4mm	57.5mm	56.9mm	58mm	57.4mm	58mm
Wheel Flop	20.9mm	19.7mm	18.7mm	17.8mm	16.8mm	17.8mm	17.6mm	17.3mm	17.2mm	17.3mm
Standover Height	—	—	740.5mm	—	758.6mm	—	—	—	—	—
Tire to Pedal Spindle	59.9mm 170 mm cranks	68.5mm 170 mm cranks	78.5mm 170 mm cranks	68.8mm 170 mm cranks	78.8mm 170 mm cranks	80.6mm 170 mm cranks	82.6mm 170 mm cranks	82.1mm 170 mm cranks	84.1mm 170 mm cranks	95.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	103mm 170 mm cranks	103mm 170 mm cranks	93mm 170 mm cranks	103mm 170 mm cranks	93mm 170 mm cranks	105mm 170 mm cranks	103mm 170 mm cranks	105mm 170 mm cranks	103mm 170 mm cranks	107mm 170 mm cranks

	XXS(470)	XS(500)	50	S(520)	52	M(540)	M(540)	L(560)	L(560)	XL(580)
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	40mm	30mm	40mm	30mm	40mm	38mm	40mm	38mm	40mm
Tire Width Max	—	—	—	—	—	—	38mm	—	38mm	—
Tire Outer Diameter	702mm	702mm	682mm	702mm	682mm	702mm	698mm	702mm	698mm	702mm
Bike Length with Tires	1685.3mm	1694mm	1674mm	1694.2mm	1674.2mm	1706.8mm	1702.8mm	1708.3mm	1704.3mm	1722.3mm

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale

Category Trend

Endurance Road

Source:Lightcarbon.com, https://www.lightcarbon.com/

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2025 LightCarbon LCR018-D Base

Geometry

Base Build

Stack and Reach vs. Category Trend