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

Insights

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Surly Bikes Midnight Special

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

Design deviates from other sizes of Surly Bikes Straggler

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

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	35mm	41mm +6mm
Tire Width Max	42mm	50mm +8mm
Tire Outer Diameter	692mm	704mm +12mm
Bike Length with Tires	1714mm	1737.2mm +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	Carbon/Composite	Steel
Brake Type	Disc	Disc