2025 Light Carbon LCRO18-D Base

	470	500	520	540	560	580
Stack	519.6mm	538.1mm	552mm	569mm	586.8mm	605.8mm
Reach	365mm	371mm	377mm	383mm	389mm	396mm
Stack to Reach Ratio	1.42:1	1.45:1	1.46:1	1.49:1	1.51:1	1.53:1
Seat Tube Length, Unknown	440mm	460mm	480mm	500mm	518mm	530mm
Top Tube Length, Effective/Horizontal HT Top	503.9mm	520mm	535mm	549.7mm	563.1mm	579.2mm
Top Tube Slope	11.2deg	10.9deg	10.1deg	9.7deg	9.5deg	10.2deg
Head Tube Angle	70.9deg	71.3deg	72deg	72deg	72.6deg	72.6deg
Seat Tube Angle	75deg	74.5deg	74deg	73.7deg	73.5deg	73.2deg
Head Tube Length	107mm	125mm	137mm	157mm	172mm	194mm
Bottom Bracket Drop	78mm	78mm	78mm	76mm	76mm	74mm
Bottom Bracket Height	271mm	271mm	271mm	273mm	273mm	275mm
Chainstay Length	415mm	415mm	415mm	415mm	415mm	415mm
Chainstay Length Horizontal	407.6mm	407.6mm	407.6mm	408mm	408mm	408.4mm
Front-Center	580.9mm	589.5mm	589.8mm	601.6mm	603.1mm	606.4mm
Front-Center Horizontal	575.7mm	584.4mm	584.6mm	596.8mm	598.3mm	601.9mm
Wheelbase	983.3mm	992mm	992.2mm	1004.8mm	1006.3mm	1010.2mm
Fork Offset/Rake	54.6mm	54.6mm	51mm	51mm	47mm	37.4mm
Fork Length, Unknown	378mm	378mm	378mm	378mm	378mm	378mm
Trail	63.1mm mid/neutral	60.5mm mid/neutral	59.8mm mid/neutral	59.8mm mid/neutral	60.2mm mid/neutral	70.2mm high
Mechanical Trail	59.6mm	57.3mm	56.9mm	56.8mm	57.4mm	67mm
Wheel Flop	19.5mm	18.4mm	17.6mm	17.6mm	17.2mm	20mm
Tire to Pedal Spindle	61.9mm 170 mm cranks	70.5mm 170 mm cranks	70.8mm 170 mm cranks	82.6mm 170 mm cranks	84.1mm 170 mm cranks	87.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks	103mm 170 mm cranks	103mm 170 mm cranks	105mm 170 mm cranks

	470	500	520	540	560	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
Tire Width	38mm	38mm	38mm	38mm	38mm	38mm
Tire Outer Diameter	698mm	698mm	698mm	698mm	698mm	698mm
Bike Length with Tires	1681.3mm	1690mm	1690.2mm	1702.8mm	1704.3mm	1708.2mm

Published Sizing Recommendations

Height

13 ft 0 in

13 ft 10 in

14 ft 5 in

15 ft 0 in

15 ft 7 in

16 ft 2 in

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

All-road/Gravel

Source:https://www.lightcarbon.com/lightcarbon-aero-endurance-disc-brake-road-carbon-frameset-with-integrated-handlebar_p268.html#parentHorizontalTab022

Suggest Bike Edit

2025 Light Carbon LCRO18-D Base

Geometry

Base Build

Published Sizing Recommendations

Stack and Reach vs. Category Trend