2025 TSUNAMI Bicycle Seaboard GR02 Base 50
Build
700C/29 in × 40 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 562.5mm |
| Reach | 371mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, C-T | 500mm |
| Top Tube Length, Effective/Horizontal Center | 529mm |
| Top Tube Slope | 9.1deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 145mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 281mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 419.2mm |
| Front-Center | 584.5mm |
| Front-Center Horizontal | 580.3mm |
| Wheelbase | 999.5mm |
| Fork Offset/Rake | 46mm |
| Trail | 65.7mm high |
| Mechanical Trail | 62.5mm |
| Wheel Flop | 19.3mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 63.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 111mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1701.5mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
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/