2026 Pelago Bicycles Thórsmörk Base

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

Geometry

S
M
L
XL
Stack
607mm
620mm
639mm
657mm
Reach
438mm
463mm
488mm
513mm
Stack to Reach Ratio
1.39:1
1.34:1
1.31:1
1.28:1
Seat Tube Length, C-T
380mm
420mm
460mm
500mm
Top Tube Length, Effective/Horizontal Center
584mm
613mm
643mm
673mm
Top Tube Slope
24.1deg
20.5deg
17.8deg
15.2deg
Head Tube Angle
66.5deg
66.5deg
66.5deg
66.5deg
Seat Tube Angle
74.5deg
74.5deg
74.5deg
74.5deg
Head Tube Length
100mm
115mm
135mm
155mm
Bottom Bracket Drop
65mm
65mm
65mm
65mm
Bottom Bracket Height
312mm
312mm
312mm
312mm
Chainstay Length
432mm
432mm
432mm
432mm
Chainstay Length Horizontal
427.1mm
427.1mm
427.1mm
427.1mm
Front-Center
739mm
770mm
803mm
836mm
Front-Center Horizontal
737.9mm
766.9mm
799.9mm
832.9mm
Wheelbase
1165mm
1194mm
1227mm
1260mm
Fork Offset/Rake
58mm
58mm
58mm
58mm
Fork Length (Axle-To-Crown)
505mm
505mm
505mm
505mm
Trail
100.7mm
very high
100.7mm
very high
100.7mm
very high
100.7mm
very high
Mechanical Trail
92.3mm
92.3mm
92.3mm
92.3mm
Wheel Flop
36.8mm
36.8mm
36.8mm
36.8mm
Tire to Pedal Spindle
192mm
170 mm cranks
223mm
170 mm cranks
256mm
170 mm cranks
289mm
170 mm cranks
Pedal Spindle to Ground Clearance
142mm
170 mm cranks
142mm
170 mm cranks
142mm
170 mm cranks
142mm
170 mm cranks

Base Build

S
M
L
XL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.6in
2.6in
2.6in
2.6in
Tire Width Max
2.8in
2.8in
2.8in
2.8in
Tire Outer Diameter
754.1mm
754.1mm
754.1mm
754.1mm
Bike Length with Tires
1919.1mm
1948.1mm
1981.1mm
2014.1mm

Published Sizing Recommendations

Height
155 cm
to
167 cm
164 cm
to
177 cm
174 cm
to
190 cm
187 cm
to
205 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://pelagobicycles.com/thorsmork/