	49cm	52cm	54cm	56cm	58cm	60cm
Stack	530mm	552mm	574mm	596mm	619mm	630mm
Reach	346mm	360mm	374mm	388mm	401mm	418mm
Stack to Reach Ratio	1.53:1	1.53:1	1.53:1	1.54:1	1.54:1	1.51:1
Seat Tube Length, C-T	455mm	475mm	495mm	515mm	535mm	545mm
Top Tube Length, Actual C-C	500mm	520mm	540mm	560mm	580mm	600mm
Top Tube Slope	11.1deg	11deg	10.9deg	10.8deg	10.8deg	10.6deg
Head Tube Angle	70.5deg	71deg	71deg	71deg	71deg	71deg
Seat Tube Angle	74deg	74deg	74deg	74deg	74deg	74deg
Head Tube Length	106mm	127mm	150mm	173mm	196mm	209mm
Bottom Bracket Drop	72mm	72mm	72mm	72mm	72mm	72mm
Bottom Bracket Height	296mm	296mm	296mm	296mm	296mm	296mm
Chainstay Length	445mm	445mm	445mm	445mm	445mm	445mm
Chainstay Length Horizontal	439.1mm	439.1mm	439.1mm	439.1mm	439.1mm	439.1mm
Front-Center	565.8mm	582.6mm	604mm	625.5mm	646.3mm	666.9mm
Front-Center Horizontal	561.2mm	578.2mm	599.7mm	621.3mm	642.2mm	663mm
Wheelbase	1000.4mm	1017.3mm	1038.9mm	1060.5mm	1081.4mm	1102.2mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm	50mm
Fork Length (Axle-To-Crown)	400mm	400mm	400mm	400mm	400mm	400mm
Trail	77.3mm high	73.8mm high	73.8mm high	73.8mm high	73.8mm high	73.8mm high
Mechanical Trail	72.8mm	69.8mm	69.8mm	69.8mm	69.8mm	69.8mm
Wheel Flop	24.3mm	22.7mm	22.7mm	22.7mm	22.7mm	22.7mm
Standover Height	771mm	791mm	812mm	832mm	853mm	864mm
Tire to Pedal Spindle	32.8mm 165 mm cranks	44.6mm 170 mm cranks	63.5mm 172.5 mm cranks	85mm 172.5 mm cranks	105.8mm 172.5 mm cranks	123.9mm 175 mm cranks
Pedal Spindle to Ground Clearance	131mm 165 mm cranks	126mm 170 mm cranks	123.5mm 172.5 mm cranks	123.5mm 172.5 mm cranks	123.5mm 172.5 mm cranks	121mm 175 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	57mm	57mm	57mm	57mm	57mm	57mm
Tire Width Max	2.25in	2.25in	2.25in	2.25in	2.25in	2.25in
Tire Outer Diameter	736mm	736mm	736mm	736mm	736mm	736mm
Bike Length with Tires	1736.4mm	1753.3mm	1774.9mm	1796.5mm	1817.4mm	1838.2mm
Crank Length	165mm	170mm	172.5mm	172.5mm	172.5mm	175mm
Handlebar Width	36cm	38cm	40cm	42cm	44cm	46cm
Stem Angle	-17deg	-17deg	-17deg	-17deg	-17deg	-17deg

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

2026 Weiss Gravel Steel Plus

Geometry