2021 TSUNAMI Bicycle Seaboard CR03 Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Carbon/Composite
Features
Rim brake
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category

Geometry

47
50
53
56
Stack
528.9mm
549.2mm
570.1mm
591mm
Reach
370mm
372.7mm
380mm
390mm
Stack to Reach Ratio
1.43:1
1.47:1
1.5:1
1.52:1
Seat Tube Length, C-T
470mm
500mm
530mm
560mm
Top Tube Length, Effective/Horizontal Center
516mm
525mm
565mm
Top Tube Length, Effective/Horizontal HT Top
543.5mm
Top Tube Slope
8.7deg
7.6deg
6.6deg
5.6deg
Head Tube Angle
71.5deg
72deg
72.5deg
73deg
Seat Tube Angle
75deg
74.5deg
74deg
73.5deg
Head Tube Length
120mm
140mm
160mm
180mm
Bottom Bracket Drop
68mm
68mm
68mm
68mm
Bottom Bracket Height
268mm
268mm
268mm
268mm
Chainstay Length
405mm
405mm
405mm
405mm
Chainstay Length Horizontal
399.3mm
399.3mm
399.3mm
399.3mm
Front-Center
575mm
580.4mm
589.4mm
600.8mm
Front-Center Horizontal
571mm
576.4mm
585.5mm
597mm
Wheelbase
970.2mm
975.6mm
984.7mm
996.2mm
Fork Offset/Rake
44.3mm
45mm
45mm
45mm
Trail
65.7mm
high
61.9mm
mid/​neutral
58.8mm
mid/​neutral
55.7mm
mid/​neutral
Mechanical Trail
62.3mm
58.9mm
56.1mm
53.2mm
Wheel Flop
19.8mm
18.2mm
16.9mm
15.6mm
Tire to Pedal Spindle
69mm
170 mm cranks
74.4mm
170 mm cranks
83.4mm
170 mm cranks
94.8mm
170 mm cranks
Pedal Spindle to Ground Clearance
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks

Base Build

47
50
53
56
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
25mm
25mm
25mm
25mm
Tire Width Max
28mm
28mm
28mm
28mm
Tire Outer Diameter
672mm
672mm
672mm
672mm
Bike Length with Tires
1642.2mm
1647.6mm
1656.7mm
1668.2mm

Published Sizing Recommendations

Height
155 cm
to
168 cm
165 cm
to
175 cm
175 cm
to
185 cm
183 cm
to

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
Endurance Road
Source:https://tsunamibicycle.com/product/cr03-road-frameset-steel-polish/