2015 Surly Bikes 1x1 Base

Category
Rigid MTB
Design
Flat Bar, Rigid, 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
Somewhat aggressive stack and reachvs category

Geometry

xSmall
Small
Medium
Large
xLarge
Stack
551mm
560.5mm
569.9mm
584.1mm
603mm
Reach
376.5mm
398.6mm
420.8mm
436.4mm
445.6mm
Stack to Reach Ratio
1.46:1
1.41:1
1.35:1
1.34:1
1.35:1
Seat Tube Length, C-TTT
355.6mm
406.4mm
457.5mm
508.8mm
558.8mm
Top Tube Length, Effective/Horizontal Center
546mm
571mm
596mm
616mm
631mm
Top Tube Length, Actual C-C
532mm
549mm
570mm
590mm
608.3mm
Top Tube Slope
6deg
11.1deg
16.3deg
13.8deg
9.7deg
Head Tube Angle
71deg
71deg
71deg
71deg
71deg
Seat Tube Angle
73deg
73deg
73deg
73deg
73deg
Head Tube Length
90mm
100mm
110mm
125mm
145mm
Bottom Bracket Drop
40mm
40mm
40mm
40mm
40mm
Bottom Bracket Height
309.4mm
309.4mm
309.4mm
309.4mm
309.4mm
Chainstay Length
419mm
419mm
419mm
419mm
419mm
Chainstay Length Horizontal
417.1mm
417.1mm
417.1mm
417.1mm
417.1mm
Front-Center
596.2mm
621.5mm
646.8mm
667.3mm
682.9mm
Front-Center Horizontal
594.8mm
620.2mm
645.5mm
666.1mm
681.7mm
Wheelbase
1011.9mm
1037.3mm
1062.6mm
1083.2mm
1098.8mm
Fork Offset/Rake
40mm
40mm
40mm
40mm
40mm
Fork Length (Axle-To-Crown)
453mm
453mm
453mm
453mm
453mm
Trail
78mm
high
78mm
high
78mm
high
78mm
high
78mm
high
Mechanical Trail
73.7mm
73.7mm
73.7mm
73.7mm
73.7mm
Wheel Flop
24mm
24mm
24mm
24mm
24mm
Standover Height
717mm
745mm
774mm
804mm
838mm
Tire to Pedal Spindle
76.8mm
170 mm cranks
102.2mm
170 mm cranks
127.4mm
170 mm cranks
148mm
170 mm cranks
163.5mm
170 mm cranks
Pedal Spindle to Ground Clearance
139.4mm
170 mm cranks
139.4mm
170 mm cranks
139.4mm
170 mm cranks
139.4mm
170 mm cranks
139.4mm
170 mm cranks

Base Build

xSmall
Small
Medium
Large
xLarge
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
2.75in
2.75in
2.75in
2.75in
2.75in
Tire Outer Diameter
698.7mm
698.7mm
698.7mm
698.7mm
698.7mm
Bike Length with Tires
1710.6mm
1736mm
1761.3mm
1781.9mm
1797.5mm

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/legacy/1x1/1x1/geometry