2004 Surly Bikes Instigator Base medium

Build

26 in × 2.7 in

Insights

Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Seat Tube Length, C-T
457.2mm
Top Tube Length, Effective/Horizontal Center
599.4mm
Head Tube Angle
71deg
Seat Tube Angle
72deg
Head Tube Length
109.2mm
Bottom Bracket Drop
25.4mm
Bottom Bracket Height
322.7mm
Chainstay Length
424.2mm
Chainstay Length Horizontal
423.4mm
Trail
Standover Height
772.2mm
Tire to Pedal Spindle Distance
With 170 mm cranks
Pedal Spindle to Ground Clearance
With 170 mm cranks
152.7mm

Base Build

Wheel Size
26 inch (559mm BSD)
Tire Width
2.7in
Tire Outer Diameter
696.2mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
Unknown
Suspension Sag
Unknown
Frame Material
Steel
Fork Material
N/A
Brake Type
Rim
Source:https://surlybikes.com/uploads/downloads/SURLYInstigator.pdf