2026 TSUNAMI Bicycle GA04 Base XXL (59)
Build
700C/29 in × 45 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of TSUNAMI Bicycle GA04
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 612mm |
| Reach | 405mm |
| Stack to Reach Ratio | 1.51:1 |
| Seat Tube Length, C-TTT | 590mm |
| Top Tube Length, Effective/Horizontal Unknown | 580mm |
| Top Tube Slope | 2.6deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 190mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 286mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 419.2mm |
| Front-Center | 636.7mm |
| Front-Center Horizontal | 632.8mm |
| Wheelbase | 1052mm |
| Fork Offset/Rake | 49.2mm |
| Trail | 64mm mid/neutral |
| Mechanical Trail | 60.8mm |
| Wheel Flop | 18.8mm |
| Standover Height | 856mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 110.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 116mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1764mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:tsunamibicycle.com