2018 Surly Bikes Bridge Club Base SM

Build

650B/27.5 in × 2.4 in

Insights

Somewhat aggressive stack and reach vs trend of rigid mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
567mm
Reach
397mm
Stack to Reach Ratio
1.43:1
Seat Tube Length, C-T
406.4mm
Top Tube Length, Effective/Horizontal Center
570mm
Top Tube Length, Actual C-C
547.5mm
Top Tube Slope
22.4deg
Head Tube Angle
71deg
Seat Tube Angle
73deg
Head Tube Length
120mm
Bottom Bracket Drop
60mm
Bottom Bracket Height
293mm
Chainstay Length
435mm
Chainstay Length Horizontal
430.8mm
Front-Center
619.6mm
Front-Center Horizontal
616.7mm
Wheelbase
1047.5mm
Fork Offset/Rake
43mm
Fork Length (Axle-To-Crown)
420mm
Trail
76.1mm
high
Mechanical Trail
71.9mm
Wheel Flop
23.4mm
Standover Height
750.5mm
Tire to Pedal Spindle Distance
With 170 mm cranks
96.6mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
123mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.4in
Tire Outer Diameter
705.9mm
Bike Length with Tires
1753.4mm
Crank Length
170mm
Handlebar Width
710mm
Stem Length
80mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc
Source:https://surlybikes.com/bikes/bridge_club/geometry