2015 Surly Bikes Troll (Legacy)

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 14"
Small 16"
Medium 18"
Large 20"
xLarge 22"
Stack
551mm
561mm
570mm
584mm
603mm
Reach
377mm
399mm
421mm
436mm
446mm
Stack to Reach Ratio
1.46:1
1.41:1
1.35:1
1.34:1
1.35:1
Seat Tube Length, C-T
355.6mm
406.4mm
457.5mm
508.8mm
558.8mm
Top Tube Length, Effective/Horizontal Center
546mm
571mm
596mm
616mm
631mm
Top Tube Slope
23.7deg
18.4deg
13.4deg
9.5deg
6.4deg
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 Max
419mm
419mm
419mm
419mm
419mm
Chainstay Length Horizontal
417.1mm
417.1mm
417.1mm
417.1mm
417.1mm
Chainstay Length Horizontal Max
417.1mm
417.1mm
417.1mm
417.1mm
417.1mm
Front-Center
596.2mm
621.5mm
646.8mm
677.3mm
682.9mm
Front-Center Horizontal
594.8mm
620.2mm
645.5mm
676.1mm
681.7mm
Wheelbase
1011.9mm
1037.3mm
1062.6mm
1093.2mm
1098.8mm
Wheelbase Max
1011.9mm
1037.3mm
1062.6mm
1093.2mm
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
122.4mm
175 mm cranks
153mm
175 mm cranks
158.5mm
175 mm cranks
Pedal Spindle to Ground Clearance
139.4mm
170 mm cranks
139.4mm
170 mm cranks
134.4mm
175 mm cranks
134.4mm
175 mm cranks
134.4mm
175 mm cranks

(Legacy) Build

xSmall 14"
Small 16"
Medium 18"
Large 20"
xLarge 22"
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
1791.9mm
1797.5mm
Crank Length
170mm
170mm
175mm
175mm
175mm
Handlebar Width
710mm
710mm
710mm
710mm
710mm
Stem Length
90mm
90mm
100mm
110mm
120mm

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/troll/troll_steves_pants/geometry