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TSUNAMI Bicycle
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Seaboard GR02

2025 TSUNAMI Bicycle Seaboard GR02 Base

Category
All-road/Gravel
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Disc brake
44
Compare
Collection
I've Ridden
47
Compare
Collection
I've Ridden
50
Compare
Collection
I've Ridden
53
Compare
Collection
I've Ridden
56
Compare
Collection
I've Ridden
59
Compare
Collection
I've Ridden
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

44
47
50
53
56
59
Stack
536.8mm
546.5mm
562.5mm
576.8mm
591mm
611.8mm
Reach
362mm
369mm
371mm
378mm
388mm
404.5mm
Stack to Reach Ratio
1.48:1
1.48:1
1.52:1
1.53:1
1.52:1
1.51:1
Seat Tube Length, C-T
440mm
470mm
500mm
530mm
560mm
590mm
Top Tube Length, Effective/Horizontal Center
511mm
521.5mm
529mm
543.5mm
557.5mm
580mm
Top Tube Slope
13.2deg
10.7deg
9.1deg
7.3deg
5.6deg
4.5deg
Head Tube Angle
71deg
71.5deg
72deg
72deg
72deg
72deg
Seat Tube Angle
74.5deg
74.5deg
74.5deg
74deg
74deg
74deg
Head Tube Length
115mm
130mm
145mm
160mm
175mm
190mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
281mm
281mm
281mm
281mm
281mm
281mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
419.2mm
419.2mm
419.2mm
419.2mm
419.2mm
419.2mm
Front-Center
579.9mm
581mm
584.5mm
594.1mm
608.6mm
637.1mm
Front-Center Horizontal
575.6mm
576.8mm
580.3mm
590mm
604.6mm
633.2mm
Wheelbase
994.8mm
996mm
999.5mm
1009.2mm
1023.8mm
1052.4mm
Fork Offset/Rake
46mm
46mm
46mm
46mm
46mm
46mm
Trail
72.2mm
high
68.9mm
high
65.7mm
high
65.7mm
high
65.7mm
high
65.7mm
high
Mechanical Trail
68.3mm
65.4mm
62.5mm
62.5mm
62.5mm
62.5mm
Wheel Flop
22.2mm
20.7mm
19.3mm
19.3mm
19.3mm
19.3mm
Tire to Pedal Spindle
58.9mm
170 mm cranks
60mm
170 mm cranks
63.5mm
170 mm cranks
73.1mm
170 mm cranks
87.6mm
170 mm cranks
116.1mm
170 mm cranks
Pedal Spindle to Ground Clearance
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks

Base Build

44
47
50
53
56
59
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
Tire Width
40mm
40mm
40mm
40mm
40mm
40mm
Tire Outer Diameter
702mm
702mm
702mm
702mm
702mm
702mm
Bike Length with Tires
1696.8mm
1698mm
1701.5mm
1711.2mm
1725.8mm
1754.4mm

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
All-road/Gravel
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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