	S	M	L	XL
Stack	632.5mm	641.6mm	650.7mm	659.8mm
Reach	425.2mm	450.2mm	473.2mm	500.3mm
Stack to Reach Ratio	1.49:1	1.43:1	1.38:1	1.32:1
Seat Tube Length, C-T	400mm	405mm	410mm	420mm
Top Tube Length, Effective/Horizontal Unknown	543.3mm	575.4mm	603.9mm	636.2mm
Top Tube Slope	25.6deg	24.8deg	24.2deg	23deg
Head Tube Angle	63.8deg	63.8deg	63.8deg	63.8deg
Seat Tube Angle	79.4deg	79deg	78.6deg	78.4deg
Head Tube Length	100mm	110mm	120mm	130mm
Bottom Bracket Drop	24.6mm	24.7mm	24.8mm	24.9mm
Bottom Bracket Height	288.9mm	288.8mm	288.7mm	288.6mm
Chainstay Length	439.9mm	439.9mm	439.9mm	439.9mm
Chainstay Length Horizontal	439.2mm	439.2mm	439.2mm	439.2mm
Front-Center	783.2mm	812.6mm	839.9mm	871.3mm
Front-Center Horizontal	782.8mm	812.2mm	839.5mm	870.9mm
Wheelbase	1222mm	1251.4mm	1278.7mm	1310.1mm
Fork Offset/Rake	52mm	52mm	52mm	52mm
Fork Length, Unknown	601.9mm	601.9mm	601.9mm	601.9mm
Trail	96.3mm very high	96.3mm very high	96.3mm very high	96.3mm very high
Mechanical Trail	86.4mm	86.4mm	86.4mm	86.4mm
Wheel Flop	38.2mm	38.2mm	38.2mm	38.2mm
Standover Height	767.6mm	760.6mm	762.5mm	767.5mm
Tire to Pedal Spindle	299.7mm 170 mm cranks	329.1mm 170 mm cranks	356.4mm 170 mm cranks	387.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	118.9mm 170 mm cranks	118.8mm 170 mm cranks	118.7mm 170 mm cranks	118.6mm 170 mm cranks

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.

Category Trend

Source:https://www.orbea.com/ca-en/bicycles/mountain/rallon-dh/cat/rallon-d-ltd#overview

2026/Dh Orbea Rallon High Progressive, Neutral, Short chainstay

Geometry