2021 Eddy Merckx 525 disc Base

	XS	S	M	L	XL
Stack	525mm	550mm	575mm	601mm	625mm
Reach	375mm	382mm	390mm	398mm	406mm
Stack to Reach Ratio	1.4:1	1.44:1	1.47:1	1.51:1	1.54:1
Seat Tube Length, C-T	470mm	495mm	520mm	545mm	570mm
Top Tube Length, Effective/Horizontal Unknown	526mm	544mm	566mm	587mm	603mm
Top Tube Slope	8.3deg	8.2deg	8.2deg	8.2deg	8deg
Head Tube Angle	71.5deg	73deg	73.5deg	73.5deg	74deg
Seat Tube Angle	74deg	73.5deg	73deg	72.5deg	72.5deg
Head Tube Length	127mm	150mm	174mm	204mm	228mm
Bottom Bracket Drop	68mm	66mm	66mm	63mm	63mm
Bottom Bracket Height	266mm	268mm	268mm	271mm	271mm
Chainstay Length	410mm	410mm	410mm	413mm	413mm
Chainstay Length Horizontal	404.3mm	404.7mm	404.7mm	408.2mm	408.2mm
Front-Center	579.7mm	581.1mm	591mm	607.1mm	617.1mm
Front-Center Horizontal	575.7mm	577.4mm	587.4mm	603.8mm	613.8mm
Wheelbase	980mm	982mm	992mm	1012mm	1022mm
Fork Offset/Rake	45.3mm	45.3mm	44.7mm	44.6mm	44.9mm
Trail	64mm mid/neutral	54.7mm mid/neutral	52.4mm mid/neutral	52.5mm mid/neutral	49.1mm mid/neutral
Mechanical Trail	60.7mm	52.4mm	50.2mm	50.3mm	47.2mm
Wheel Flop	19.3mm	15.3mm	14.3mm	14.3mm	13mm
Standover Height	781mm	810mm	835mm	863mm	889mm
Tire to Pedal Spindle	75.7mm 170 mm cranks	77.1mm 170 mm cranks	87mm 170 mm cranks	103.1mm 170 mm cranks	113.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	96mm 170 mm cranks	98mm 170 mm cranks	98mm 170 mm cranks	101mm 170 mm cranks	101mm 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.eddymerckx.com/road/525/525-disc#/catalogue/525-disc

Geometry