Bike-on-Bike

Generated by Bike Insights
650B/27.5 in × 2.3 in
650B/27.5 in × 47 mm

Insights

Average stack and reach vs trend of all-road/gravel bikes
Very upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Black Mountain Cycles Monster Cross Disc

Geometry

Stack
599mm
629mm
+30mm
Reach
395mm
382mm
-13mm
Stack to Reach Ratio
1.52:1
1.65:1
Seat Tube Length, C-T
574mm
530mm
-44mm
Seat Tube Length, C-C
529mm
Top Tube Length, Effective/Horizontal Center
580mm
575mm
-5mm
Top Tube Length, Actual C-C
569mm
Top Tube Slope
4.3deg
12.8deg
+8.5deg
Head Tube Angle
71deg
72deg
+1deg
Seat Tube Angle
73deg
73deg
+0deg
Head Tube Length
177mm
180mm
+3mm
Bottom Bracket Drop
64mm
70mm
+6mm
Bottom Bracket Height
286.4mm
269mm
-17.4mm
Chainstay Length
425mm
438mm
+13mm
Chainstay Length Max
438mm
Chainstay Length Horizontal
420.2mm
432.4mm
+12.2mm
Chainstay Length Horizontal Max
432.4mm
Front-Center
626.1mm
620.2mm
-5.9mm
Front-Center Horizontal
622.9mm
616.2mm
-6.7mm
Wheelbase
1043mm
1048.6mm
+5.6mm
Wheelbase Max
1048.6mm
Fork Offset/Rake
48mm
50mm
+2mm
Fork Length (On-Axis)
410mm
Trail
69.9mm
high
57.6mm
-12.3mm
mid/​neutral
Mechanical Trail
66.1mm
54.8mm
-11.3mm
Wheel Flop
21.5mm
16.9mm
-4.6mm
Standover Height
832mm
828mm
-4mm
Tire to Pedal Spindle
105.7mm
170 mm cranks
111.2mm
+5.5mm
170 mm cranks
Pedal Spindle to Ground Clearance
116.4mm
170 mm cranks
99mm
-17.4mm
170 mm cranks

Build

Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
2.3in
47mm
-11.4mm
Tire Outer Diameter
700.8mm
678mm
-22.8mm
Bike Length with Tires
1743.8mm
1726.6mm
-17.2mm
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
Disc
Disc

Meta

Actions
Source
https://crustbikes.com/products/bombora/
http://blackmtncycles.com/tech-info/mcd-road-frame-geometry/
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