2018 Surly Bikes Cross-Check Drop Bar

	42cm	46cm	50cm	52cm	54cm	56cm	58cm	60cm	62cm	64cm
Stack	528mm	528mm	528mm	528mm	538.4mm	556.5mm	575.7mm	593.6mm	612.7mm	630.9mm
Reach	378.7mm	380.8mm	389.1mm	389.7mm	394.8mm	394.3mm	398.3mm	407.3mm	411mm	424.5mm
Stack to Reach Ratio	1.39:1	1.39:1	1.36:1	1.35:1	1.36:1	1.41:1	1.45:1	1.46:1	1.49:1	1.49:1
Seat Tube Length, C-TTT	420mm	460mm	500mm	520mm	540mm	560mm	580mm	600mm	620mm	665mm
Top Tube Length, Effective/Horizontal Center	522mm	528.8mm	541.8mm	547.1mm	560mm	570mm	580mm	600mm	610mm	630mm
Top Tube Length, Actual C-C	505mm	515mm	535.1mm	545.1mm	559.9mm	569.9mm	579.8mm	599.8mm	609.9mm	630mm
Top Tube Slope	11.8deg	7.2deg	2.7deg	0.7deg	0deg	0deg	0.1deg	0.1deg	0deg	0deg
Head Tube Angle	72deg	72deg	72deg	72deg	72deg	72deg	72deg	72deg	72deg	72deg
Seat Tube Angle	75deg	74.5deg	74deg	73.5deg	73deg	72.5deg	72.5deg	72deg	72deg	72deg
Head Tube Length	91mm	91mm	91mm	91mm	102mm	121mm	141mm	160mm	180mm	200mm
Bottom Bracket Drop	66mm	66mm	66mm	66mm	66mm	66mm	66mm	66mm	66mm	66mm
Bottom Bracket Height	292.5mm	292.5mm	292.5mm	292.5mm	292.5mm	292.5mm	292.5mm	292.5mm	292.5mm	292.5mm
Chainstay Length	420mm	420mm	425mm	425mm	425mm	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	414.8mm	414.8mm	419.8mm	419.8mm	419.8mm	419.8mm	419.8mm	419.8mm	419.8mm	419.8mm
Front-Center	578.8mm	580.9mm	589.1mm	589.8mm	598.1mm	603.5mm	613.6mm	628.3mm	638.3mm	658.1mm
Front-Center Horizontal	575mm	577.1mm	585.4mm	586.1mm	594.5mm	599.9mm	610.1mm	624.9mm	634.9mm	654.8mm
Wheelbase	989.8mm	991.9mm	1005.2mm	1005.9mm	1014.3mm	1019.7mm	1029.9mm	1044.7mm	1054.7mm	1074.6mm
Fork Offset/Rake	44mm	44mm	44mm	44mm	44mm	44mm	44mm	44mm	44mm	44mm
Fork Length (Axle-To-Crown)	400mm	400mm	400mm	400mm	400mm	400mm	400mm	400mm	400mm	400mm
Trail	70.2mm high	70.2mm high	70.2mm high	70.2mm high	70.2mm high	70.2mm high	70.2mm high	70.2mm high	70.2mm high	70.2mm high
Mechanical Trail	66.8mm	66.8mm	66.8mm	66.8mm	66.8mm	66.8mm	66.8mm	66.8mm	66.8mm	66.8mm
Wheel Flop	20.6mm	20.6mm	20.6mm	20.6mm	20.6mm	20.6mm	20.6mm	20.6mm	20.6mm	20.6mm
Standover Height	747.9mm	766.7mm	784.4mm	794.4mm	809mm	826.7mm	845.9mm	863.4mm	882.2mm	901.8mm
Tire to Pedal Spindle	50.3mm 170 mm cranks	52.4mm 170 mm cranks	60.6mm 170 mm cranks	61.3mm 170 mm cranks	64.6mm 175 mm cranks	70mm 175 mm cranks	80.1mm 175 mm cranks	94.8mm 175 mm cranks	104.8mm 175 mm cranks	124.6mm 175 mm cranks
Pedal Spindle to Ground Clearance	122.5mm 170 mm cranks	122.5mm 170 mm cranks	122.5mm 170 mm cranks	122.5mm 170 mm cranks	117.5mm 175 mm cranks	117.5mm 175 mm cranks	117.5mm 175 mm cranks	117.5mm 175 mm cranks	117.5mm 175 mm cranks	117.5mm 175 mm cranks

	42cm	46cm	50cm	52cm	54cm	56cm	58cm	60cm	62cm	64cm
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	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	41mm	41mm	41mm	41mm	41mm	41mm	41mm	41mm	41mm	41mm
Tire Outer Diameter	717mm	717mm	717mm	717mm	717mm	717mm	717mm	717mm	717mm	717mm
Bike Length with Tires	1706.8mm	1708.9mm	1722.2mm	1722.9mm	1731.3mm	1736.7mm	1746.9mm	1761.7mm	1771.7mm	1791.6mm
Crank Length	170mm	170mm	170mm	170mm	175mm	175mm	175mm	175mm	175mm	175mm
Handlebar Width	400mm	400mm	400mm	420mm	420mm	440mm	440mm	460mm	460mm	460mm
Stem Length	70mm	80mm	80mm	100mm	100mm	100mm	120mm	120mm	120mm	120mm

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

Cyclocross

Source:https://surlybikes.com/bikes/cross_check/geometry

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2018 Surly Bikes Cross-Check Drop Bar

Geometry

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Stack and Reach vs. Category Trend