2025 Specialized Bicycles Allez Base

	44	49	52	54	56	58	61
Stack	519mm	536mm	552mm	569mm	590mm	610mm	643mm
Reach	356mm	359mm	364mm	370mm	378mm	386mm	392mm
Stack to Reach Ratio	1.46:1	1.49:1	1.52:1	1.54:1	1.56:1	1.58:1	1.64:1
Seat Tube Length, Unknown	430mm	460mm	490mm	510mm	530mm	550mm	580mm
Top Tube Length, Effective/Horizontal Center	493mm	500mm	530mm	541mm	556mm	569mm	586mm
Top Tube Slope	12.5deg	10.8deg	9.3deg	8.9deg	8.8deg	8.7deg	8.9deg
Head Tube Angle	69.5deg	70.5deg	71deg	72deg	72.5deg	73deg	73deg
Seat Tube Angle	75.25deg	75.25deg	73.25deg	73.25deg	73.25deg	73.25deg	73.25deg
Head Tube Length	110mm	125mm	140mm	155mm	175mm	195mm	230mm
Bottom Bracket Drop	77mm	77mm	77mm	76mm	76mm	74.5mm	74.5mm
Bottom Bracket Height	264mm	264mm	264mm	265mm	265mm	266.5mm	266.5mm
Chainstay Length	420mm	420mm	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	412.9mm	412.9mm	418mm	418.2mm	418.2mm	418.4mm	418.4mm
Front-Center	576mm	577mm	583mm	585mm	594mm	603mm	619mm
Front-Center Horizontal	571.1mm	571.1mm	577mm	579.9mm	589.9mm	598.6mm	614.6mm
Wheelbase	984mm	984mm	995mm	998mm	1008mm	1017mm	1033mm
Fork Offset/Rake	47mm	47mm	47mm	47mm	47mm	47mm	47mm
Fork Length, Unknown	378mm	378mm	378mm	378mm	378mm	378mm	378mm
Trail	77.3mm high	70.9mm high	67.7mm high	61.4mm mid/neutral	58.2mm mid/neutral	55.1mm mid/neutral	55.1mm mid/neutral
Mechanical Trail	72.4mm	66.8mm	64mm	58.4mm	55.5mm	52.7mm	52.7mm
Wheel Flop	25.4mm	22.3mm	20.8mm	18mm	16.7mm	15.4mm	15.4mm
Standover Height	715mm	739mm	761mm	781mm	801mm	821mm	852mm
Tire to Pedal Spindle	70mm 165 mm cranks	71mm 165 mm cranks	72mm 170 mm cranks	71.5mm 172.5 mm cranks	80.5mm 172.5 mm cranks	87mm 175 mm cranks	103mm 175 mm cranks
Pedal Spindle to Ground Clearance	99mm 165 mm cranks	99mm 165 mm cranks	94mm 170 mm cranks	92.5mm 172.5 mm cranks	92.5mm 172.5 mm cranks	91.5mm 175 mm cranks	91.5mm 175 mm cranks

	44	49	52	54	56	58	61
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	30mm	30mm	30mm	30mm	30mm	30mm	30mm
Tire Width Max	35mm	35mm	35mm	35mm	35mm	35mm	35mm
Tire Outer Diameter	682mm	682mm	682mm	682mm	682mm	682mm	682mm
Bike Length with Tires	1666mm	1666mm	1677mm	1680mm	1690mm	1699mm	1715mm
Crank Length	165mm	165mm	170mm	172.5mm	172.5mm	175mm	175mm
Handlebar Width	360mm	380mm	400mm	420mm	420mm	440mm	440mm
Stem Length	70mm	80mm	90mm	100mm	100mm	110mm	110mm

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

Endurance Road

Source:https://www.specialized.com/us/en/allez/p/4221796?color=5368201-4221796&searchText=90025-7261

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2025 Specialized Bicycles Allez Base

Geometry

Base Build

Stack and Reach vs. Category Trend