2023 Seaboard CR05 Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
44cm | 47cm | 50cm | 53cm | 56cm | 43 | 47 | 50 | 53 | 56 | |
Stack | 513.3mm | 536.5mm | 556.3mm | 577.1mm | 598mm | — | — | — | — | — |
Reach | 363mm | 368mm | 372mm | 380mm | 390mm | — | — | — | — | — |
Stack to Reach Ratio | 1.41:1 | 1.46:1 | 1.5:1 | 1.52:1 | 1.53:1 | — | — | — | — | — |
Seat Tube Length, C-T | 440mm | 470mm | 500mm | 530mm | 560mm | 430mm | 470mm | 500mm | 530mm | 560mm |
Top Tube Length, Effective/Horizontal Center | — | — | — | — | — | 507mm | 516mm | 525mm | 535mm | 565mm |
Top Tube Slope | 10.5deg | 9.6deg | 8.4deg | 7.3deg | 6.4deg | — | — | — | — | — |
Head Tube Angle | 70.5deg | 71.5deg | 72deg | 72.5deg | 73deg | 71deg | 71.5deg | 72deg | 72.5deg | 73deg |
Seat Tube Angle | 74.75deg | 74.5deg | 74.5deg | 74deg | 73.5deg | 75.5deg | 75deg | 74.5deg | 74deg | 73.5deg |
Head Tube Length | 100mm | 120mm | 140mm | 160mm | 180mm | 100mm | 100mm | 100mm | 115mm | 140mm |
Bottom Bracket Drop | 68mm | 68mm | 68mm | 68mm | 68mm | 68mm | 68mm | 68mm | 68mm | 68mm |
Bottom Bracket Height | 273mm | 273mm | 273mm | 273mm | 273mm | 273mm | 273mm | 273mm | 273mm | 273mm |
Chainstay Length | 410mm | 410mm | 410mm | 410mm | 410mm | 405mm | 405mm | 405mm | 405mm | 405mm |
Chainstay Length Horizontal | 404.3mm | 404.3mm | 404.3mm | 404.3mm | 404.3mm | 399.3mm | 399.3mm | 399.3mm | 399.3mm | 399.3mm |
Front-Center | 572.9mm | 575.9mm | 580.9mm | 591.6mm | 602.9mm | — | — | — | — | — |
Front-Center Horizontal | 568.9mm | 571.9mm | 576.9mm | 587.7mm | 599.1mm | — | — | — | — | — |
Wheelbase | 973.2mm | 976.2mm | 981.2mm | 992mm | 1003.4mm | — | — | — | — | — |
Fork Offset/Rake | 45.4mm | 44.7mm | 44mm | 45mm | 45mm | — | — | — | — | — |
Trail | 72.6mm high | 67mm high | 64.6mm mid/​neutral | 60.4mm mid/​neutral | 57.2mm mid/​neutral | — — | — — | — — | — — | — — |
Mechanical Trail | 68.4mm | 63.5mm | 61.4mm | 57.6mm | 54.7mm | — | — | — | — | — |
Wheel Flop | 22.8mm | 20.2mm | 19mm | 17.3mm | 16mm | — | — | — | — | — |
Tire to Pedal Spindle | 61.9mm 170 mm cranks | 64.9mm 170 mm cranks | 69.9mm 170 mm cranks | 80.6mm 170 mm cranks | 91.9mm 170 mm cranks | — 170 mm cranks | — 170 mm cranks | — 170 mm cranks | — 170 mm cranks | — 170 mm cranks |
Pedal Spindle to Ground Clearance | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks |
Base Build
44cm | 47cm | 50cm | 53cm | 56cm | 43 | 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 | 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 | 30mm | 30mm | 30mm |
Tire Outer Diameter | 682mm | 682mm | 682mm | 682mm | 682mm | 682mm | 682mm | 682mm | 682mm | 682mm |
Bike Length with Tires | 1655.2mm | 1658.2mm | 1663.2mm | 1674mm | 1685.4mm | — | — | — | — | — |
Published Sizing Recommendations
Height | 145 cm to 160 cm | 160 cm to 170 cm | 170 cm to 180 cm | 180 cm to 185 cm | 185 cm to 200 cm | 140 cm to 155 cm | 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 ScaleCategory Trend
Performance RoadSource:https://nl.aliexpress.com/item/1005005170781428.html?aff_fcid=2147063a575e43d783101c8431aafc34-1762538563382-09610-_oCmqwog&tt=CPS_NORMAL&aff_fsk=_oCmqwog&aff_platform=shareComponent-detail&sk=_oCmqwog&aff_trace_key=2147063a575e43d783101c8431aafc34-1762538563382-09610-_oCmqwog&terminal_id=5d8ec832b74b4be990d4d50ec3d21891&afSmartRedirect=y#nav-specification, https://tsunamibicycle.com/product/cr05-road-frameset-700c-disc-brake-thru-axle-ti-polish/