Bike-on-Bike

Generated by Bike Insights
650B/27.5 in × 38 mm
650B/27.5 in × 48 mm

Insights

Somewhat aggressive stack and reach vs trend of low-trail bikes
Design deviates from other sizes of Soma Fabrications Grand Randonneur
Average stack and reach vs trend of low-trail bikes

Geometry

Stack
543mm
555mm
+12mm
Reach
387mm
370mm
-17mm
Stack to Reach Ratio
1.4:1
1.5:1
Seat Tube Length, C-T
520mm
580mm
+60mm
Seat Tube Length, C-C
550mm
Top Tube Length, Effective/Horizontal Center
545mm
550mm
+5mm
Top Tube Length, Actual C-C
550mm
Top Tube Slope
4.7deg
0deg
-4.7deg
Head Tube Angle
72deg
73deg
+1deg
Seat Tube Angle
74deg
72deg
-2deg
Head Tube Length
146mm
152mm
+6mm
Bottom Bracket Drop
65mm
64mm
-1mm
Bottom Bracket Height
265mm
276mm
+11mm
Chainstay Length
425mm
425mm
+0mm
Chainstay Length Horizontal
420mm
420.2mm
+0.2mm
Front-Center
618mm
591.3mm
-26.7mm
Front-Center Horizontal
616mm
587.9mm
-28.1mm
Wheelbase
1036mm
1008mm
-28mm
Fork Offset/Rake
69mm
65mm
-4mm
Trail
34.7mm
low
36mm
+1.3mm
low
Mechanical Trail
33mm
34.4mm
+1.4mm
Wheel Flop
10.2mm
10.1mm
-0.1mm
Standover Height
761.5mm
815mm
+53.5mm
Tire to Pedal Spindle
118mm
170 mm cranks
81.3mm
-36.7mm
170 mm cranks
Pedal Spindle to Ground Clearance
95mm
170 mm cranks
106mm
+11mm
170 mm cranks

Build

Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
38mm
48mm
+10mm
Tire Outer Diameter
660mm
680mm
+20mm
Bike Length with Tires
1696mm
1688mm
-8mm
Suspension Type
Rigid, non-suspension corrected
Rigid, non-suspension corrected
Bar Type
Drop Bar
Drop Bar
Frame Material
Steel
Steel
Fork Material
Steel
Steel
Brake Type
Rim
Rim

Meta

Actions
Source
http://www.somafab.com/archives/product/grand-randonneur-frame-set
https://crustbikes.com/collections/onlyfans/products/lightning-bolt-canti
Brand
Bike
Size
Category