2024 J Guillem Major Base

	49cm	52cm	54cm	56cm	58cm	60cm	62cm
Stack	537mm	548mm	562mm	578mm	597mm	612mm	633mm
Reach	381mm	378mm	384mm	391mm	397mm	407mm	419mm
Stack to Reach Ratio	1.41:1	1.45:1	1.46:1	1.48:1	1.5:1	1.5:1	1.51:1
Seat Tube Length, C-C	440mm	470mm	490mm	510mm	530mm	550mm	570mm
Seat Tube Length, Effective Center	475mm	505mm	525mm	545mm	565mm	585mm	605mm
Top Tube Length, Effective/Horizontal Center	520mm	535mm	550mm	565mm	580mm	600mm	615mm
Top Tube Length, Actual C-C	507mm	521mm	536mm	551mm	564mm	586mm	603mm
Top Tube Slope	7.7deg	6.8deg	6.2deg	5.8deg	6.6deg	5.1deg	4.1deg
Head Tube Angle	72.5deg	73deg	73deg	73.5deg	73.5deg	73.5deg	73.5deg
Seat Tube Angle	75.5deg	74deg	73.5deg	73.25deg	73deg	72.5deg	72.5deg
Head Tube Length	130mm	140mm	155mm	170mm	190mm	205mm	215mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm	70mm	68mm
Bottom Bracket Height	269mm	269mm	269mm	269mm	269mm	269mm	271mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm	424.6mm
Front-Center	580mm	575mm	585mm	593mm	605mm	619mm	633mm
Front-Center Horizontal	574.7mm	570.7mm	580.7mm	588.7mm	600.7mm	614.7mm	629.4mm
Wheelbase	999mm	995mm	1005mm	1013mm	1025mm	1039mm	1054mm
Fork Offset/Rake	44.3mm	44.6mm	44.3mm	45.3mm	45.7mm	45.2mm	41.3mm
Trail	60.4mm mid/neutral	57.1mm mid/neutral	57.3mm mid/neutral	53.2mm mid/neutral	52.8mm mid/neutral	53.2mm mid/neutral	57.4mm mid/neutral
Mechanical Trail	57.6mm	54.6mm	54.8mm	51mm	50.6mm	51mm	55mm
Wheel Flop	17.3mm	16mm	16mm	14.5mm	14.4mm	14.5mm	15.6mm
Standover Height	747mm	766mm	782mm	799mm	819mm	835mm	—
Tire to Pedal Spindle	71mm 170 mm cranks	66mm 170 mm cranks	76mm 170 mm cranks	84mm 170 mm cranks	96mm 170 mm cranks	110mm 170 mm cranks	124mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	101mm 170 mm cranks

	49cm	52cm	54cm	56cm	58cm	60cm	62cm
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	28mm	28mm	28mm	28mm	28mm	28mm	28mm
Tire Outer Diameter	678mm	678mm	678mm	678mm	678mm	678mm	678mm
Bike Length with Tires	1677mm	1673mm	1683mm	1691mm	1703mm	1717mm	1732mm

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

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Source:https://jguillem.com/bike/major

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2024 J Guillem Major Base

Geometry

Base Build

Stack and Reach vs. Category Trend