2023 Surly Bikes Bridge Club 27.5

Category
Rigid MTB
Design
Flat Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Disc brake
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category

Geometry

XS
SM
MD
LG
XL
Stack
553.7mm
566.4mm
576.6mm
589.3mm
609.6mm
Reach
375.9mm
396.2mm
419.1mm
434.3mm
444.5mm
Stack to Reach Ratio
1.47:1
1.43:1
1.38:1
1.36:1
1.37:1
Seat Tube Length, C-T
335.3mm
406.4mm
457.2mm
508mm
558.8mm
Top Tube Length, Effective/Horizontal HT Top
546.1mm
569mm
594.4mm
614.7mm
629.9mm
Top Tube Length, Actual C-C
533.4mm
548.6mm
569mm
591.8mm
609.6mm
Top Tube Slope
26.2deg
19deg
14.2deg
10.1deg
7.1deg
Head Tube Angle
70deg
71deg
71deg
71deg
71deg
Seat Tube Angle
73deg
73deg
73deg
73deg
73deg
Head Tube Length
109.2mm
119.4mm
129.5mm
144.8mm
165.1mm
Bottom Bracket Drop
61mm
61mm
61mm
61mm
61mm
Bottom Bracket Height
292mm
292mm
292mm
292mm
292mm
Chainstay Length
434.3mm
434.3mm
434.3mm
434.3mm
434.3mm
Chainstay Length Horizontal
430mm
430mm
430mm
430mm
430mm
Front-Center
604.3mm
619.5mm
644.7mm
665mm
682.7mm
Front-Center Horizontal
601.2mm
616.4mm
641.8mm
662.2mm
679.9mm
Wheelbase
1031.2mm
1046.5mm
1071.9mm
1092.2mm
1110mm
Fork Offset/Rake
43.2mm
43.2mm
43.2mm
43.2mm
43.2mm
Fork Length (Axle-To-Crown)
419.1mm
419.1mm
419.1mm
419.1mm
419.1mm
Trail
82.5mm
very high
75.9mm
high
75.9mm
high
75.9mm
high
75.9mm
high
Mechanical Trail
77.5mm
71.7mm
71.7mm
71.7mm
71.7mm
Wheel Flop
26.5mm
23.4mm
23.4mm
23.4mm
23.4mm
Standover Height
708.7mm
749.3mm
779.8mm
812.8mm
845.8mm
Tire to Pedal Spindle
81.3mm
170 mm cranks
96.5mm
170 mm cranks
116.8mm
175 mm cranks
137mm
175 mm cranks
154.7mm
175 mm cranks
Pedal Spindle to Ground Clearance
122mm
170 mm cranks
122mm
170 mm cranks
117mm
175 mm cranks
117mm
175 mm cranks
117mm
175 mm cranks

27.5 Build

XS
SM
MD
LG
XL
Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
2.4in
2.4in
2.4in
2.4in
2.4in
Tire Width Max
2.8in
2.8in
2.8in
2.8in
2.8in
Tire Outer Diameter
705.9mm
705.9mm
705.9mm
705.9mm
705.9mm
Bike Length with Tires
1737.2mm
1752.4mm
1777.8mm
1798.1mm
1815.9mm
Crank Length
170mm
170mm
175mm
175mm
175mm
Handlebar Width
27.5in
27.5in
29.1in
29.1in
29.1in
Stem Length
85cm
85cm
90cm
90cm
90cm
Stem Angle
7deg
7deg
7deg
7deg
7deg

Published Sizing Recommendations

Height
152 cm
to
165 cm
162 cm
to
173 cm
170 cm
to
183 cm
180 cm
to
190 cm
188 cm
to
198 cm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Rigid MTB
Source:https://surlybikes.com/bikes/bridge_club