2024 Surly Bikes Bridge Club 27.5

	XS	XS	SM	SM	MD	MD	LG	LG	XL	XL
Stack	553mm	553mm	567mm	567mm	576mm	576mm	590mm	590mm	609mm	609mm
Reach	376mm	376mm	397mm	397mm	419mm	419mm	434.5mm	434.5mm	444mm	444mm
Stack to Reach Ratio	1.47:1	1.47:1	1.43:1	1.43:1	1.37:1	1.37:1	1.36:1	1.36:1	1.37:1	1.37:1
Seat Tube Length, Unknown	335.6mm	335.6mm	406.4mm	406.4mm	457.2mm	457.2mm	508mm	508mm	558.8mm	558.8mm
Top Tube Length, Effective/Horizontal HT Top	545mm	545mm	570mm	570mm	595mm	595mm	615mm	615mm	630mm	630mm
Top Tube Length, Actual C-C	534mm	534mm	547.5mm	547.5mm	570mm	570mm	591.5mm	591.5mm	610.3mm	610.3mm
Top Tube Slope	26.1deg	26.1deg	19.1deg	19.1deg	14.1deg	14.1deg	10.1deg	10.1deg	7deg	7deg
Head Tube Angle	70deg	70deg	71deg	71deg	71deg	71deg	71deg	71deg	71deg	71deg
Seat Tube Angle	73deg	73deg	73deg	73deg	73deg	73deg	73deg	73deg	73deg	73deg
Head Tube Length	110mm	110mm	120mm	120mm	130mm	130mm	145mm	145mm	165mm	165mm
Bottom Bracket Drop	60mm	60mm	60mm	60mm	60mm	60mm	60mm	60mm	60mm	60mm
Bottom Bracket Height	293mm	293mm	234.4mm	234.4mm	234.4mm	234.4mm	234.4mm	234.4mm	234.4mm	234.4mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	430.8mm	430.8mm	430.8mm	430.8mm	430.8mm	430.8mm	430.8mm	430.8mm	430.8mm	430.8mm
Front-Center	604.1mm	604.1mm	619.6mm	619.6mm	645mm	645mm	664.9mm	664.9mm	680.8mm	680.8mm
Front-Center Horizontal	601.2mm	601.2mm	616.7mm	616.7mm	642.2mm	642.2mm	662.2mm	662.2mm	678.2mm	678.2mm
Wheelbase	1032mm	1032mm	1047.5mm	1047.5mm	1073mm	1073mm	1093mm	1093mm	1109mm	1109mm
Fork Offset/Rake	43mm	43mm	43mm	43mm	43mm	43mm	43mm	43mm	43mm	43mm
Fork Length (Axle-To-Crown)	420mm	420mm	420mm	420mm	420mm	420mm	420mm	420mm	420mm	420mm
Trail	82.7mm very high	82.7mm very high	55.9mm mid/neutral	55.9mm mid/neutral	55.9mm mid/neutral	55.9mm mid/neutral	55.9mm mid/neutral	55.9mm mid/neutral	55.9mm mid/neutral	55.9mm mid/neutral
Mechanical Trail	77.7mm	77.7mm	52.9mm	52.9mm	52.9mm	52.9mm	52.9mm	52.9mm	52.9mm	52.9mm
Wheel Flop	26.6mm	26.6mm	17.2mm	17.2mm	17.2mm	17.2mm	17.2mm	17.2mm	17.2mm	17.2mm
Standover Height	709mm	709mm	750.5mm	750.5mm	780mm	780mm	812mm	812mm	845.5mm	845.5mm
Tire to Pedal Spindle	81.2mm 170 mm cranks	81.2mm 170 mm cranks	155.2mm 170 mm cranks	155.2mm 170 mm cranks	175.6mm 175 mm cranks	175.6mm 175 mm cranks	195.5mm 175 mm cranks	195.5mm 175 mm cranks	211.4mm 175 mm cranks	211.4mm 175 mm cranks
Pedal Spindle to Ground Clearance	123mm 170 mm cranks	123mm 170 mm cranks	64.4mm 170 mm cranks	64.4mm 170 mm cranks	59.4mm 175 mm cranks	59.4mm 175 mm cranks	59.4mm 175 mm cranks	59.4mm 175 mm cranks	59.4mm 175 mm cranks	59.4mm 175 mm cranks

	XS	XS	SM	SM	MD	MD	LG	LG	XL	XL
Wheel Size	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD
Tire Width	2.4in	2.4in	2.4mm	2.4mm	2.4mm	2.4mm	2.4mm	2.4mm	2.4mm	2.4mm
Tire Width Max	2.8mm	2.8mm	2.8mm	2.8mm	2.8mm	2.8mm	2.8mm	2.8mm	2.8mm	2.8mm
Tire Outer Diameter	705.9mm	705.9mm	588.8mm	588.8mm	588.8mm	588.8mm	588.8mm	588.8mm	588.8mm	588.8mm
Bike Length with Tires	1737.9mm	1737.9mm	1636.3mm	1636.3mm	1661.8mm	1661.8mm	1681.8mm	1681.8mm	1697.8mm	1697.8mm
Crank Length	170mm	170mm	170mm	170mm	175mm	175mm	175mm	175mm	175mm	175mm
Handlebar Width	700mm	700mm	700mm	700mm	740mm	740mm	740mm	740mm	740mm	740mm
Stem Length	80mm	80mm	80mm	80mm	90mm	90mm	100mm	100mm	100mm	100mm
Stem Angle	0deg	0deg	0deg	0deg	0deg	0deg	0deg	0deg	0deg	0deg

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

Rigid MTB

Source:https://surlybikes.com/bikes/bridge_club, https://www.omafiets.com.au/surly-bridge-club-275-1x12.html

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2024 Surly Bikes Bridge Club 27.5

Geometry

27.5 Build

Stack and Reach vs. Category Trend