2023 Orbea Orca Aero M31 eLTD

	47	49	51	53	55	57	60
Stack	496mm	505mm	523mm	542mm	562mm	580mm	606mm
Reach	370mm	376mm	380mm	385mm	391mm	398mm	404mm
Stack to Reach Ratio	1.34:1	1.34:1	1.38:1	1.41:1	1.44:1	1.46:1	1.5:1
Seat Tube Length, C-T	459mm	474mm	499mm	524mm	544mm	564mm	589mm
Top Tube Length, Effective/Horizontal Center	507.6mm	520.8mm	532.9mm	545.5mm	557.5mm	573.1mm	587mm
Top Tube Slope	6.2deg	5.6deg	4.8deg	4.2deg	4.2deg	4.1deg	4.2deg
Head Tube Angle	71deg	71.5deg	72.2deg	72.8deg	73deg	73.2deg	73.2deg
Seat Tube Angle	74.5deg	74deg	73.7deg	73.5deg	73.5deg	73.2deg	73.2deg
Head Tube Length	93.1mm	100.8mm	117.2mm	134.9mm	155.2mm	173.2mm	200.4mm
Bottom Bracket Drop	76mm	76mm	76mm	74mm	74mm	74mm	74mm
Bottom Bracket Height	260mm	260mm	260mm	262mm	262mm	262mm	262mm
Chainstay Length	408mm	408mm	408mm	408mm	408mm	408mm	408mm
Chainstay Length Horizontal	400.9mm	400.9mm	400.9mm	401.2mm	401.2mm	401.2mm	401.2mm
Front-Center	570.4mm	575.2mm	579mm	579.6mm	589.8mm	600.3mm	614mm
Front-Center Horizontal	565.3mm	570.1mm	573.9mm	574.9mm	585.2mm	595.7mm	609.6mm
Wheelbase	966.2mm	971mm	974.8mm	976.1mm	986.4mm	996.9mm	1010.8mm
Fork Offset/Rake	48mm	48mm	48mm	43mm	43mm	43mm	43mm
Fork Length (Axle-To-Crown)	370mm	370mm	370mm	370mm	370mm	370mm	370mm
Trail	65mm mid/neutral	61.8mm mid/neutral	57.5mm mid/neutral	59mm mid/neutral	57.8mm mid/neutral	56.6mm mid/neutral	56.5mm mid/neutral
Mechanical Trail	61.4mm	58.6mm	54.7mm	56.4mm	55.2mm	54.1mm	54.1mm
Wheel Flop	20mm	18.6mm	16.7mm	16.7mm	16.2mm	15.7mm	15.6mm
Standover Height	717mm	728.5mm	750.1mm	775mm	794mm	811.6mm	835.8mm
Tire to Pedal Spindle	64.4mm 170 mm cranks	69.2mm 170 mm cranks	73mm 170 mm cranks	73.6mm 170 mm cranks	83.8mm 170 mm cranks	94.3mm 170 mm cranks	108mm 170 mm cranks
Pedal Spindle to Ground Clearance	90mm 170 mm cranks	90mm 170 mm cranks	90mm 170 mm cranks	92mm 170 mm cranks	92mm 170 mm cranks	92mm 170 mm cranks	92mm 170 mm cranks

	47	49	51	53	55	57	60
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
Tire Width	25mm	25mm	25mm	25mm	25mm	25mm	25mm
Tire Width Max	28mm	28mm	28mm	28mm	28mm	28mm	28mm
Tire Outer Diameter	672mm	672mm	672mm	672mm	672mm	672mm	672mm
Bike Length with Tires	1638.2mm	1643mm	1646.8mm	1648.1mm	1658.4mm	1668.9mm	1682.8mm

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

Performance Road

Source:https://www.orbea.com/gb-en/bicicletas/carretera/orca-aero/cat/orca-aero-m31eltd-pwr-2023#geometry-and-sizes

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2023 Orbea Orca Aero M31 eLTD

Geometry

M31 eLTD Build

Stack and Reach vs. Category Trend