2020 Surly Bikes Wednesday Base

Design
Flat Bar, Rigid, suspension corrected
Frame
Steel
Fork
Steel
Features
Disc brake
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

XS
S
M
L
XL
Stack
573mm
578mm
587mm
597mm
606mm
Reach
400mm
420mm
436mm
453mm
471mm
Stack to Reach Ratio
1.43:1
1.38:1
1.35:1
1.32:1
1.29:1
Seat Tube Length, Unknown
316mm
366mm
416mm
466mm
516mm
Top Tube Length, Actual C-C
571mm
577mm
590mm
606mm
627mm
Top Tube Slope
28.9deg
23.4deg
18.8deg
14.4deg
10.2deg
Head Tube Angle
69deg
69deg
69deg
69deg
69deg
Seat Tube Angle
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
Head Tube Length
95mm
100mm
110mm
120mm
130mm
Bottom Bracket Drop
55mm
55mm
55mm
55mm
55mm
Bottom Bracket Height
319.5mm
319.5mm
319.5mm
319.5mm
319.5mm
Chainstay Length
435mm
435mm
435mm
435mm
435mm
Chainstay Length Horizontal
431.5mm
431.5mm
431.5mm
431.5mm
431.5mm
Front-Center
651.8mm
671.8mm
692.7mm
713.6mm
734.6mm
Front-Center Horizontal
649.5mm
669.5mm
690.5mm
711.5mm
732.5mm
Wheelbase
1081mm
1101mm
1122mm
1143mm
1164mm
Fork Offset/Rake
47mm
47mm
47mm
47mm
47mm
Fork Length (On-Axis)
468mm
468mm
468mm
468mm
468mm
Trail
93.4mm
very high
93.4mm
very high
93.4mm
very high
93.4mm
very high
93.4mm
very high
Mechanical Trail
87.2mm
87.2mm
87.2mm
87.2mm
87.2mm
Wheel Flop
31.3mm
31.3mm
31.3mm
31.3mm
31.3mm
Standover Height
711mm
737mm
774mm
807mm
841mm
Tire to Pedal Spindle
107.3mm
170 mm cranks
127.3mm
170 mm cranks
143.2mm
175 mm cranks
164.1mm
175 mm cranks
185.1mm
175 mm cranks
Pedal Spindle to Ground Clearance
149.5mm
170 mm cranks
149.5mm
170 mm cranks
144.5mm
175 mm cranks
144.5mm
175 mm cranks
144.5mm
175 mm cranks

Base Build

XS
S
M
L
XL
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
3.8in
3.8in
3.8in
3.8in
3.8in
Tire Width Max
4.6in
4.6in
4.6in
4.6in
4.6in
Tire Outer Diameter
749mm
749mm
749mm
749mm
749mm
Bike Length with Tires
1830mm
1850mm
1871mm
1892mm
1913mm
Crank Length
170mm
170mm
175mm
175mm
175mm
Handlebar Width
700mm
700mm
750mm
750mm
750mm
Stem Length
60mm
60mm
70mm
70mm
80mm
Stem Angle
7deg
7deg
7deg
7deg
7deg

Stack and Reach vs. Category Trend

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
Rigid Fatbike
Source:https://surlybikes.com/bikes/wednesday