Grand Randonneur

Low-trail

Version

Build

Insights

Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category

Geometry

Stack
514mm
523mm
549mm
570mm
599mm
637mm
Reach
385mm
393mm
397mm
401mm
402mm
409mm
Stack to Reach Ratio
1.34:1
1.33:1
1.38:1
1.42:1
1.49:1
1.56:1
Seat Tube Length, C-T
495mm
520mm
550mm
580mm
610mm
650mm
Top Tube Length, Effective/Horizontal Center
530mm
545mm
560mm
577mm
590mm
610mm
Top Tube Slope
4.1deg
2.5deg
2.2deg
1.5deg
1.7deg
1.6deg
Head Tube Angle
72deg
72deg
72.5deg
73deg
73deg
73deg
Seat Tube Angle
74.5deg
74deg
73.5deg
73deg
72.5deg
72.5deg
Head Tube Length
116mm
125mm
150mm
170mm
200mm
240mm
Bottom Bracket Drop
65mm
65mm
65mm
65mm
65mm
65mm
Bottom Bracket Height
259mm
259mm
259mm
259mm
259mm
259mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
420mm
420mm
420mm
420mm
420mm
420mm
Front-Center
607mm
618mm
625mm
631mm
641mm
659mm
Front-Center Horizontal
604mm
616mm
622mm
627mm
637mm
657mm
Wheelbase
1024mm
1036mm
1042mm
1047mm
1057mm
1077mm
Fork Offset/Rake
69mm
69mm
69mm
69mm
69mm
69mm
Trail
32.7mm
low
32.7mm
low
29.8mm
very low
26.9mm
very low
26.9mm
very low
26.9mm
very low
Mechanical Trail
31.1mm
31.1mm
28.4mm
25.7mm
25.7mm
25.7mm
Wheel Flop
9.6mm
9.6mm
8.6mm
7.5mm
7.5mm
7.5mm
Standover Height
703mm
746mm
766mm
788mm
816mm
854mm
Tire to Pedal Spindle
113mm
170 mm cranks
124mm
170 mm cranks
131mm
170 mm cranks
137mm
170 mm cranks
147mm
170 mm cranks
165mm
170 mm cranks
Pedal Spindle to Ground Clearance
89mm
170 mm cranks
89mm
170 mm cranks
89mm
170 mm cranks
89mm
170 mm cranks
89mm
170 mm cranks
89mm
170 mm cranks

Base Build

Wheel Size
650B/27.5
584 mm BSD
650B/27.5
584 mm BSD
650B/27.5
584 mm BSD
650B/27.5
584 mm BSD
650B/27.5
584 mm BSD
650B/27.5
584 mm BSD
Tire Width
32mm
32mm
32mm
32mm
32mm
32mm
Tire Outer Diameter
648mm
648mm
648mm
648mm
648mm
648mm
Bike Length with Tires
1672mm
1684mm
1690mm
1695mm
1705mm
1725mm

Base Build

Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Rim

Stack and Reach vs. Category Trend

Source:http://somafab.blogspot.com/2013/06/soma-grand-randonneur-official-geometry.html

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