2026 Bigrock Sohtea Base

Design
Drop Bar, Rigid, non-suspension corrected

Geometry

XXS 45
XS 49
S 52
M 54
L 56
XL 58
XXL 61
Stack
502mm
513mm
526mm
543mm
564mm
590mm
610.6mm
Reach
365mm
375mm
380mm
384mm
395mm
402mm
408.3mm
Stack to Reach Ratio
1.38:1
1.37:1
1.38:1
1.41:1
1.43:1
1.47:1
1.5:1
Seat Tube Length, C-T
400mm
431mm
462mm
481mm
504mm
532mm
567mm
Top Tube Length, Effective/Horizontal Center
490mm
508mm
531mm
540mm
562mm
577mm
595mm
Top Tube Slope
13.9deg
11.2deg
9.2deg
8.9deg
8.5deg
8.2deg
6.8deg
Head Tube Angle
70.5deg
71.75deg
72.5deg
73deg
73.5deg
73.5deg
74deg
Seat Tube Angle
76deg
75.5deg
74deg
74deg
73.5deg
73.5deg
73deg
Head Tube Length
102mm
109mm
120mm
137mm
157mm
184mm
204mm
Bottom Bracket Drop
74mm
74mm
74mm
72mm
72mm
72mm
72mm
Bottom Bracket Height
267mm
267mm
267mm
269mm
269mm
269mm
269mm
Wheelbase
970mm
973mm
975mm
978mm
990mm
1005mm
1012.2mm
Trail
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Mechanical Trail
—
—
—
—
—
—
—
Wheel Flop
—
—
—
—
—
—
—
Pedal Spindle to Ground Clearance
97mm
170 mm cranks
97mm
170 mm cranks
97mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks

Base Build

XXS 45
XS 49
S 52
M 54
L 56
XL 58
XXL 61
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
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
30mm
30mm
30mm
30mm
30mm
30mm
30mm
Tire Width Max
30mm
30mm
30mm
30mm
30mm
30mm
30mm
Tire Outer Diameter
682mm
682mm
682mm
682mm
682mm
682mm
682mm
Bike Length with Tires
1652mm
1655mm
1657mm
1660mm
1672mm
1687mm
1694.2mm

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
Performance Road