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Seaboard CX03

2025 TSUNAMI Bicycle Seaboard CX03 Base

Category
Cyclocross
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Disc brake
XS
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S
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M
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L
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XL
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Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

XS
S
M
L
XL
Stack
546mm
558mm
570mm
589mm
602mm
Reach
369mm
372mm
376mm
380mm
409mm
Stack to Reach Ratio
1.48:1
1.5:1
1.52:1
1.55:1
1.47:1
Seat Tube Length, C-T
440mm
470mm
500mm
530mm
560mm
Top Tube Length, Effective/Horizontal Center
515mm
527mm
535mm
549mm
564mm
Top Tube Slope
14.1deg
11.9deg
9.8deg
8.6deg
6.2deg
Head Tube Angle
71.5deg
71.5deg
72deg
72deg
73.5deg
Seat Tube Angle
74.5deg
74.5deg
74.5deg
74deg
75.5deg
Head Tube Length
90mm
110mm
140mm
170mm
200mm
Bottom Bracket Drop
70mm
70mm
72mm
72mm
72mm
Bottom Bracket Height
281mm
281mm
279mm
279mm
279mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
419.2mm
419.2mm
418.9mm
418.9mm
418.9mm
Front-Center
584mm
586mm
590.6mm
599.5mm
610.4mm
Front-Center Horizontal
579.8mm
581.8mm
586.1mm
595.1mm
606.1mm
Wheelbase
999mm
1001mm
1005mm
1014mm
1025mm
Fork Offset/Rake
46mm
46mm
46mm
46mm
46mm
Trail
68.9mm
high
68.9mm
high
65.7mm
high
65.7mm
high
56mm
mid/​neutral
Mechanical Trail
65.4mm
65.4mm
62.5mm
62.5mm
53.7mm
Wheel Flop
20.7mm
20.7mm
19.3mm
19.3mm
15.3mm
Tire to Pedal Spindle
63mm
170 mm cranks
65mm
170 mm cranks
69.6mm
170 mm cranks
78.5mm
170 mm cranks
89.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
111mm
170 mm cranks
111mm
170 mm cranks
109mm
170 mm cranks
109mm
170 mm cranks
109mm
170 mm cranks

Base Build

XS
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
700C/29 in
622 mm BSD
Tire Width
40mm
40mm
40mm
40mm
40mm
Tire Outer Diameter
702mm
702mm
702mm
702mm
702mm
Bike Length with Tires
1701mm
1703mm
1707mm
1716mm
1727mm

Published Sizing Recommendations

Height
150 cm
to
160 cm
158 cm
to
168 cm
168 cm
to
178 cm
178 cm
to
188 cm
187 cm
to
200 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
Cyclocross
Source:https://tsunamibicycle.com/product-category/products/weapon-tsunami-fixie-frameset-road-bike-frameset-gravel-frameset/multiple-speed-frameset/gravel-frameset-best-steel-gravel-bike-alloy-frame-set/
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