	49cm	52cm	54cm	56cm	58cm	60cm
Stack	507mm	528mm	547mm	569mm	590mm	611mm
Reach	363mm	373mm	383mm	396mm	411mm	425mm
Stack to Reach Ratio	1.4:1	1.42:1	1.43:1	1.44:1	1.44:1	1.44:1
Seat Tube Length, C-T	445mm	465mm	485mm	505mm	525mm	545mm
Top Tube Length, Actual C-C	500mm	520mm	540mm	560mm	580mm	600mm
Top Tube Slope	9.2deg	9.1deg	8.9deg	8.9deg	8.7deg	8.6deg
Head Tube Angle	72deg	72.5deg	73deg	73deg	73.5deg	73.5deg
Seat Tube Angle	75deg	74.5deg	74deg	74deg	74deg	74deg
Head Tube Length	106mm	125mm	144mm	166mm	186mm	209mm
Bottom Bracket Drop	68mm	68mm	68mm	68mm	68mm	68mm
Bottom Bracket Height	278mm	278mm	278mm	278mm	278mm	278mm
Chainstay Length	410mm	410mm	410mm	410mm	410mm	410mm
Chainstay Length Horizontal	404.3mm	404.3mm	404.3mm	404.3mm	404.3mm	404.3mm
Front-Center	555mm	567.2mm	578.4mm	598mm	614.3mm	634.4mm
Front-Center Horizontal	550.9mm	563.1mm	574.4mm	594.1mm	610.5mm	630.7mm
Wheelbase	955.2mm	967.5mm	978.7mm	998.5mm	1014.8mm	1035mm
Fork Offset/Rake	43mm	43mm	43mm	43mm	43mm	43mm
Fork Length (Axle-To-Crown)	372mm	372mm	372mm	372mm	372mm	372mm
Trail	67.2mm high	64mm mid/neutral	60.8mm mid/neutral	60.8mm mid/neutral	57.6mm mid/neutral	57.6mm mid/neutral
Mechanical Trail	63.9mm	61mm	58.2mm	58.2mm	55.3mm	55.3mm
Wheel Flop	19.8mm	18.4mm	17mm	17mm	15.7mm	15.7mm
Standover Height	744mm	763mm	782mm	803mm	823mm	843mm
Tire to Pedal Spindle	39mm 170 mm cranks	51.2mm 170 mm cranks	62.4mm 170 mm cranks	82mm 170 mm cranks	98.3mm 170 mm cranks	118.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks

	49cm	52cm	54cm	56cm	58cm	60cm
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	35mm	35mm	35mm	35mm	35mm	35mm
Tire Outer Diameter	692mm	692mm	692mm	692mm	692mm	692mm
Bike Length with Tires	1647.2mm	1659.5mm	1670.7mm	1690.5mm	1706.8mm	1727mm

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.

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2026 Weis Hammer Road Ti

Geometry