2023 Surly Bikes Preamble Flat Bar XL

Build

700C/29 in × 35 mm

Insights

Somewhat upright stack and reach vs trend of commuter bikes
Design deviates from other sizes of Surly Bikes Preamble

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
643mm
Reach
421mm
Stack to Reach Ratio
1.53:1
Seat Tube Length, Unknown
645mm
Top Tube Length, Actual C-C
630mm
Top Tube Slope
2.7deg
Head Tube Angle
72deg
Seat Tube Angle
72deg
Head Tube Length
210mm
Bottom Bracket Drop
66mm
Bottom Bracket Height
280mm
Chainstay Length
435mm
Chainstay Length Horizontal
430mm
Front-Center
658.4mm
Front-Center Horizontal
655mm
Wheelbase
1085mm
Fork Offset/Rake
44mm
Fork Length (On-Axis)
400mm
Trail
66.2mm
high
Mechanical Trail
62.9mm
Wheel Flop
19.4mm
Standover Height
901mm
Tire to Pedal Spindle Distance
With 175 mm cranks
137.4mm
Pedal Spindle to Ground Clearance
With 175 mm cranks
105mm

Flat Bar Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
35mm
Tire Outer Diameter
692mm
Bike Length with Tires
1777mm
Crank Length
175mm
Handlebar Width
460mm
Stem Length
100mm
Stem Angle
7deg
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc

Published Sizing Recommendations

Height
156 ft 7.599999999999909 in
to
Source:https://surlybikes.com/bikes/preamble