2016 v.2 Soma Fabrications Grand Randonneur Base 65

Build

650B/27.5 in × 38 mm

Insights

Somewhat upright stack and reach vs trend of low-trail bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
651mm
Reach
405mm
Stack to Reach Ratio
1.61:1
Seat Tube Length, C-T
650mm
Top Tube Length, Effective/Horizontal Center
610mm
Top Tube Slope
3deg
Head Tube Angle
73deg
Seat Tube Angle
72.5deg
Head Tube Length
255mm
Bottom Bracket Drop
65mm
Bottom Bracket Height
265mm
Chainstay Length
425mm
Chainstay Length Horizontal
420mm
Front-Center
659mm
Front-Center Horizontal
657mm
Wheelbase
1077mm
Fork Offset/Rake
69mm
Trail
28.7mm
very low
Mechanical Trail
27.5mm
Wheel Flop
8mm
Standover Height
880.9mm
Tire to Pedal Spindle Distance
With 170 mm cranks
159mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
95mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
38mm
Tire Outer Diameter
660mm
Bike Length with Tires
1737mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Rim
Source:http://www.somafab.com/archives/product/grand-randonneur-frame-set