Compare: 2026 Surly Bikes Straggler Base 56 vs 2026 Surly Bikes Midnight Special Base 56

Insights

Average stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of Surly Bikes Straggler

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Surly Bikes Midnight Special

Stack	591.6mm	581mm -10.6mm
Reach	389.1mm	392mm +2.9mm
Stack to Reach Ratio	1.52:1	1.48:1
Seat Tube Length, C-T	520mm	560mm +40mm
Top Tube Length, Effective/Horizontal Center	570mm	—
Top Tube Length, Effective/Horizontal HT Top	—	570mm
Top Tube Slope	9.9deg	4.7deg -5.2deg
Head Tube Angle	72deg	73deg +1deg
Seat Tube Angle	73deg	73deg +0deg
Head Tube Length	140mm	140mm +0mm
Bottom Bracket Drop	72mm	65mm -7mm
Bottom Bracket Height	280mm	281mm +1mm
Chainstay Length	435mm	425mm -10mm
Chainstay Length Horizontal	429mm	420mm -9mm
Front-Center	608.5mm	605.5mm -3mm
Front-Center Horizontal	604.2mm	602mm -2.2mm
Wheelbase	1033.2mm	1022mm -11.2mm
Fork Offset/Rake	44mm	50mm +6mm
Fork Length (Axle-To-Crown)	407.6mm	402mm -5.6mm
Trail	68.1mm high	53.5mm -14.6mm mid/neutral
Mechanical Trail	64.8mm	51.2mm -13.6mm
Wheel Flop	20mm	15mm -5mm
Standover Height	807mm	830mm +23mm
Tire to Pedal Spindle	86.5mm 170 mm cranks	89.5mm +3mm 170 mm cranks
Pedal Spindle to Ground Clearance	110mm 170 mm cranks	111mm +1mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	41mm	35mm -6mm
Tire Width Max	50mm	42mm -8mm
Tire Outer Diameter	704mm	692mm -12mm
Bike Length with Tires	1737.2mm	1714mm -23.2mm
Crank Length	—	170mm
Handlebar Width	—	440mm
Stem Length	—	100mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Steel	Steel
Fork Material	Steel	Carbon/Composite
Brake Type	Disc	Disc