2017 Surly Bikes 1x1 Base Large (20)

Build

26 in × 2.3 in

Insights

Somewhat aggressive stack and reach vs trend of rigid mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
584mm
Reach
436mm
Stack to Reach Ratio
1.34:1
Seat Tube Length, C-T
508.8mm
Top Tube Length, Effective/Horizontal Center
616mm
Top Tube Slope
9.5deg
Head Tube Angle
71deg
Seat Tube Angle
73deg
Head Tube Length
125mm
Bottom Bracket Drop
40mm
Bottom Bracket Height
297.9mm
Chainstay Length
419mm
Chainstay Length Horizontal
417.1mm
Front-Center
667.3mm
Front-Center Horizontal
666.1mm
Wheelbase
1083.2mm
Fork Offset/Rake
40mm
Fork Length (Axle-To-Crown)
453mm
Trail
74.1mm
high
Mechanical Trail
70mm
Wheel Flop
22.8mm
Standover Height
804mm
Tire to Pedal Spindle Distance
With 170 mm cranks
159.4mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
127.9mm

Base Build

Wheel Size
26 inch (559mm BSD)
Tire Width
2.3in
Tire Outer Diameter
675.8mm
Bike Length with Tires
1759mm
Suspension Type
Rigid, suspension corrected
Bar Type
Flat Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc
Source:Bike Counterculture Geometry Database