Bike-on-Bike

Generated by Bike Insights
650B/27.5 in × 2.8 in
650B/27.5 in × 2.4 in

Insights

Very aggressive stack and reach vs trend of hardtail trail mtb bikes
Somewhat aggressive stack and reach vs trend of rigid mtb bikes
Design deviates from other sizes of Surly Bikes Bridge Club

Geometry

Stack
574.4mm
576mm
+1.6mm
Reach
445.3mm
419mm
-26.3mm
Stack to Reach Ratio
1.29:1
1.37:1
Seat Tube Length, C-T
416mm
457.2mm
+41.2mm
Top Tube Length, Effective/Horizontal HT Top
610mm
595mm
-15mm
Top Tube Length, Actual C-C
589.7mm
570mm
-19.7mm
Top Tube Slope
17.3deg
14.1deg
-3.2deg
Head Tube Angle
70deg
71deg
+1deg
Seat Tube Angle
74deg
73deg
-1deg
Head Tube Length
140mm
130mm
-10mm
Bottom Bracket Drop
55mm
60mm
+5mm
Bottom Bracket Height
308.1mm
293mm
-15.1mm
Chainstay Length
425mm
435mm
+10mm
Chainstay Length Horizontal
421.4mm
430.8mm
+9.4mm
Front-Center
690.8mm
645mm
-45.8mm
Front-Center Horizontal
688.6mm
642.2mm
-46.4mm
Wheelbase
1110mm
1073mm
-37mm
Fork Offset/Rake
47mm
43mm
-4mm
Fork Length (Axle-To-Crown)
420mm
420mm
+0mm
Trail
82.2mm
very high
76.1mm
-6.1mm
high
Mechanical Trail
77.2mm
71.9mm
-5.3mm
Wheel Flop
26.4mm
23.4mm
-3mm
Standover Height
770.1mm
780mm
+9.9mm
Tire to Pedal Spindle
152.7mm
175 mm cranks
117mm
-35.7mm
175 mm cranks
Pedal Spindle to Ground Clearance
133.1mm
175 mm cranks
118mm
-15.1mm
175 mm cranks

Build

Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
2.8in
2.4in
-0.4in
Tire Outer Diameter
726.2mm
705.9mm
-20.3mm
Bike Length with Tires
1836.2mm
1778.9mm
-57.3mm
Crank Length
175mm
175mm
+0mm
Handlebar Width
820mm
710mm
-110mm
Stem Length
60mm
90mm
+30mm
Stem Angle
6deg
6deg
+0deg
Suspension Type
Rigid, non-suspension corrected
Rigid, non-suspension corrected
Bar Type
Flat Bar
Flat Bar
Frame Material
Steel
Steel
Fork Material
Steel
Steel
Brake Type
Disc
Disc
Features
Single-speed capable

Meta

Actions
Source
https://surlybikes.com/bikes/lowside
https://surlybikes.com/bikes/bridge_club
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Bike
Size
Category