2018 Specialized Bicycles Allez Base

	49	52	54	56	58	61
Stack	507mm	519mm	538mm	559mm	588mm	609mm
Reach	375mm	380mm	385mm	395mm	400mm	405mm
Stack to Reach Ratio	1.35:1	1.37:1	1.4:1	1.42:1	1.47:1	1.5:1
Seat Tube Length, C-T	460mm	480mm	500mm	520mm	540mm	570mm
Top Tube Length, Effective/Horizontal HT Top	520mm	529mm	539mm	555mm	569mm	580mm
Top Tube Slope	7.4deg	6.4deg	6.3deg	6.3deg	7.2deg	6.2deg
Head Tube Angle	72.25deg	73deg	73deg	73.5deg	73.5deg	74deg
Seat Tube Angle	74deg	74deg	74deg	74deg	74deg	74deg
Head Tube Length	110mm	120mm	140mm	160mm	190mm	210mm
Bottom Bracket Drop	69mm	69mm	69mm	69mm	69mm	69mm
Bottom Bracket Height	268mm	268mm	268mm	268mm	268mm	268mm
Chainstay Length	410mm	410mm	410mm	410mm	410mm	410mm
Chainstay Length Horizontal	404.2mm	404.2mm	404.2mm	404.2mm	404.2mm	404.2mm
Front-Center	566mm	568mm	579mm	590mm	603mm	609mm
Front-Center Horizontal	561.9mm	563.9mm	574.9mm	585.9mm	599.9mm	605.9mm
Wheelbase	966mm	968mm	979mm	990mm	1004mm	1010mm
Fork Offset/Rake	44mm	44mm	44mm	44mm	44mm	44mm
Fork Length (Axle-To-Crown)	363mm	363mm	363mm	363mm	363mm	363mm
Trail	61.7mm mid/neutral	57mm mid/neutral	57mm mid/neutral	53.9mm mid/neutral	53.9mm mid/neutral	50.9mm mid/neutral
Mechanical Trail	58.7mm	54.5mm	54.5mm	51.7mm	51.7mm	48.9mm
Wheel Flop	17.9mm	15.9mm	15.9mm	14.7mm	14.7mm	13.5mm
Standover Height	730mm	744mm	764mm	780mm	807mm	832mm
Tire to Pedal Spindle	59mm 170 mm cranks	61mm 170 mm cranks	69.5mm 172.5 mm cranks	80.5mm 172.5 mm cranks	91mm 175 mm cranks	97mm 175 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	98mm 170 mm cranks	95.5mm 172.5 mm cranks	95.5mm 172.5 mm cranks	93mm 175 mm cranks	93mm 175 mm cranks

	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
Tire Width	26mm	26mm	26mm	26mm	26mm	26mm
Tire Outer Diameter	674mm	674mm	674mm	674mm	674mm	674mm
Bike Length with Tires	1640mm	1642mm	1653mm	1664mm	1678mm	1684mm
Crank Length	170mm	170mm	172.5mm	172.5mm	175mm	175mm
Handlebar Width	400mm	420mm	420mm	420mm	440mm	440mm
Stem Length	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.

Category Trend

Source:https://www.specialized.com/us/en/allez-sprint-comp-disc/p/154235?color=239317-154235

Geometry