2006 Gunnar Cycles USA Roadie Base 480

Build

650B/27.5 in × 28 mm

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes
Design deviates from other sizes of Gunnar Cycles USA Roadie

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
479.9mm
Reach
369.6mm
Stack to Reach Ratio
1.3:1
Seat Tube Length, Unknown
410mm
Top Tube Length, Effective/Horizontal Unknown
500mm
Head Tube Angle
72.5deg
Seat Tube Angle
75deg
Head Tube Length
111mm
Bottom Bracket Drop
45mm
Bottom Bracket Height
275mm
Chainstay Length
385mm
Chainstay Length Horizontal
382.4mm
Front-Center
550.5mm
Front-Center Horizontal
548.6mm
Wheelbase
931mm
Fork Offset/Rake
40mm
Fork Length, Unknown
340mm
Trail
59mm
mid/​neutral
Mechanical Trail
56.2mm
Wheel Flop
16.9mm
Standover Height
685mm
Tire to Pedal Spindle Distance
With 170 mm cranks
60.5mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
105mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
28mm
Tire Outer Diameter
640mm
Bike Length with Tires
1571mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Carbon/Composite
Brake Type
Rim
Source:http://www.gunnarbikes.com/gunnar2006.pdf