2017 Surly Bikes Troll Base

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
Somewhat aggressive stack and reachvs category

Geometry

XS
S
M
L
XL
Stack
551mm
561mm
570mm
585mm
604mm
Reach
371mm
393mm
415mm
431mm
446mm
Stack to Reach Ratio
1.49:1
1.43:1
1.37:1
1.36:1
1.35:1
Seat Tube Length, C-T
336mm
406mm
457mm
508mm
559mm
Top Tube Length, Effective/Horizontal Center
545mm
570mm
595mm
615mm
630mm
Top Tube Length, Actual C-C
530.6mm
546.7mm
568.1mm
589mm
608.6mm
Top Tube Slope
27.8deg
21.4deg
17deg
13.9deg
8.9deg
Head Tube Angle
71deg
71deg
71deg
71deg
71deg
Seat Tube Angle
73deg
73deg
73deg
73deg
73deg
Head Tube Length
125mm
135mm
145mm
160mm
180mm
Bottom Bracket Drop
40mm
40mm
40mm
40mm
40mm
Bottom Bracket Height
303mm
303mm
303mm
303mm
303mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
423.1mm
423.1mm
423.1mm
423.1mm
423.1mm
Front-Center
594.2mm
619.2mm
644.1mm
664.1mm
686.1mm
Front-Center Horizontal
592.9mm
617.9mm
642.9mm
662.9mm
684.9mm
Wheelbase
1016mm
1041mm
1066mm
1086mm
1108mm
Fork Offset/Rake
43mm
43mm
43mm
43mm
43mm
Fork Length (Axle-To-Crown)
420mm
420mm
420mm
420mm
420mm
Trail
72.6mm
high
72.6mm
high
72.6mm
high
72.6mm
high
72.6mm
high
Mechanical Trail
68.7mm
68.7mm
68.7mm
68.7mm
68.7mm
Wheel Flop
22.4mm
22.4mm
22.4mm
22.4mm
22.4mm
Standover Height
720mm
749mm
778mm
809mm
843mm
Tire to Pedal Spindle
81.2mm
170 mm cranks
106.2mm
170 mm cranks
126.1mm
175 mm cranks
146.1mm
175 mm cranks
168.1mm
175 mm cranks
Pedal Spindle to Ground Clearance
133mm
170 mm cranks
133mm
170 mm cranks
128mm
175 mm cranks
128mm
175 mm cranks
128mm
175 mm cranks

Base Build

XS
S
M
L
XL
Wheel Size
26"
559 mm BSD
26"
559 mm BSD
26"
559 mm BSD
26"
559 mm BSD
26"
559 mm BSD
Tire Width
2.5in
2.5in
2.5in
2.5in
2.5in
Tire Outer Diameter
686mm
686mm
686mm
686mm
686mm
Bike Length with Tires
1702mm
1727mm
1752mm
1772mm
1794mm
Crank Length
170mm
170mm
175mm
175mm
175mm
Handlebar Width
710mm
710mm
710mm
710mm
710mm
Stem Length
90mm
90mm
100mm
110mm
110mm

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_maroon/geometry