2017 Surly Bikes Disc Trucker 700c Base

	56cm	58cm	60cm	62cm	64cm
Stack	588mm	606mm	623mm	643mm	658mm
Reach	389mm	394mm	403mm	401mm	406mm
Stack to Reach Ratio	1.51:1	1.54:1	1.55:1	1.6:1	1.62:1
Seat Tube Length, C-TTT	560mm	580mm	600mm	620mm	640mm
Top Tube Length, Effective/Horizontal Center	570mm	586mm	600mm	610mm	620mm
Top Tube Slope	3.4deg	3.4deg	3.1deg	3.3deg	2.8deg
Head Tube Angle	72deg	72deg	72deg	72deg	72deg
Seat Tube Angle	73deg	72.5deg	72.5deg	72deg	72deg
Head Tube Length	152mm	171mm	189mm	210mm	226mm
Bottom Bracket Drop	78mm	78mm	78mm	78mm	78mm
Bottom Bracket Height	278mm	278mm	278mm	278mm	278mm
Chainstay Length	460mm	460mm	460mm	460mm	460mm
Chainstay Length Max	460mm	460mm	460mm	460mm	460mm
Chainstay Length Horizontal	453.3mm	453.3mm	453.3mm	453.3mm	453.3mm
Chainstay Length Horizontal Max	453.3mm	453.3mm	453.3mm	453.3mm	453.3mm
Front-Center	607.3mm	618.3mm	632.3mm	636.8mm	646.7mm
Front-Center Horizontal	602.3mm	613.4mm	627.5mm	632mm	642mm
Wheelbase	1055.6mm	1066.7mm	1080.8mm	1085.3mm	1095.3mm
Wheelbase Max	1055.6mm	1066.7mm	1080.8mm	1085.3mm	1095.3mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	390mm	390mm	390mm	390mm	390mm
Trail	68.4mm high	68.4mm high	68.4mm high	68.4mm high	68.4mm high
Mechanical Trail	65mm	65mm	65mm	65mm	65mm
Wheel Flop	20.1mm	20.1mm	20.1mm	20.1mm	20.1mm
Standover Height	811.9mm	829.8mm	847.8mm	866.5mm	883.6mm
Tire to Pedal Spindle	81.3mm 170 mm cranks	92.3mm 170 mm cranks	106.3mm 170 mm cranks	110.8mm 170 mm cranks	120.7mm 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

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:Bike Counterculture Geometry Database

Geometry