Bike-on-Bike

Generated by Bike Insights
650B/27.5 in × 47 mm

Insights

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Surly Bikes Midnight Special

Geometry

Stack
580mm
Reach
393mm
Stack to Reach Ratio
1.48:1
Seat Tube Length, C-TTT
560mm
Top Tube Length, Effective/Horizontal HT Top
570mm
Top Tube Length, Actual C-C
564mm
Top Tube Slope
2.6deg
Head Tube Angle
73deg
Seat Tube Angle
73deg
Head Tube Length
140mm
Bottom Bracket Drop
65mm
Bottom Bracket Height
274mm
Chainstay Length
425mm
Chainstay Length Horizontal
420mm
Front-Center
595.6mm
Front-Center Horizontal
592mm
Wheelbase
1012mm
Fork Offset/Rake
50mm
Fork Length (Axle-To-Crown)
395mm
Trail
51.4mm
mid/​neutral
Mechanical Trail
49.1mm
Wheel Flop
14.4mm
Standover Height
827mm
Tire to Pedal Spindle
86.6mm
170 mm cranks
Pedal Spindle to Ground Clearance
104mm
170 mm cranks

Build

Wheel Size
650B/27.5 in
584 mm BSD
Tire Width
47mm
Tire Outer Diameter
678mm
Bike Length with Tires
1690mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc

Meta

Actions
Source
https://surlybikes.com/bikes/midnight_special
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Bike
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