Bike-on-Bike

Generated by Bike Insights
650B/27.5 in × 3 in
700C/29 in × 2.5 in

Insights

Somewhat aggressive stack and reach vs trend of rigid mtb bikes
Design deviates from other sizes of Surly Bikes Karate Monkey
Average stack and reach vs trend of full-suspension trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

Stack
606mm
631mm
+25mm
Reach
450mm
500mm
+50mm
Stack to Reach Ratio
1.35:1
1.26:1
Seat Tube Length, C-T
470mm
482mm
+12mm
Top Tube Length, Effective/Horizontal HT Top
635mm
Top Tube Length, Actual C-C
597.5mm
658mm
+60.5mm
Top Tube Slope
14.9deg
Head Tube Angle
69deg
65.5deg
-3.5deg
Seat Tube Angle
73deg
Effective Seat Tube Angle, Unknown
76deg
Head Tube Length
110mm
125mm
+15mm
Bottom Bracket Drop
55mm
39.5mm
-15.5mm
Bottom Bracket Height
313.2mm
335mm
+21.8mm
Chainstay Length
423mm
Chainstay Length Horizontal
419.4mm
432mm
+12.6mm
Front-Center
711.7mm
815mm
+103.3mm
Front-Center Horizontal
709.6mm
814mm
+104.4mm
Wheelbase
1129mm
1246mm
+117mm
Fork Offset/Rake
47mm
40.4mm
-6.6mm
Fork Length (Axle-To-Crown)
483mm
Trail
91mm
very high
126.2mm
+35.2mm
very high
Mechanical Trail
85mm
114.9mm
+29.9mm
Wheel Flop
30.4mm
47.6mm
+17.2mm
Standover Height
812mm
759mm
-53mm
Tire to Pedal Spindle
173.5mm
170 mm cranks
270.5mm
+97mm
170 mm cranks
Pedal Spindle to Ground Clearance
143.2mm
170 mm cranks
165mm
+21.8mm
170 mm cranks

Build

Wheel Size
650B/27.5 in
584 mm BSD
700C/29 in
622 mm BSD
Tire Width
3in
2.5in
-0.5in
Tire Outer Diameter
736.4mm
749mm
+12.6mm
Bike Length with Tires
1865.4mm
1995mm
+129.6mm
Suspension Type
Rigid, suspension corrected
Full suspension
Bar Type
Flat Bar
Flat Bar
Fork Travel
130mm
Rear Travel
Unknown
Suspension Sag
Unknown
Frame Material
Steel
Aluminum
Fork Material
Steel
Unknown
Brake Type
Disc
Disc

Meta

Actions
Source
https://surlybikes.com/bikes/karate_monkey
https://www.ibiscycles.com/bikes/ripley-af
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