2025 TSUNAMI Bicycle GC05 Base s
Build
700C/29 in × 40 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 547mm |
| Reach | 370mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 470mm |
| Top Tube Length, Effective/Horizontal Center | 522mm |
| Top Tube Slope | 10.8deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 283mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 419.5mm |
| Front-Center | 581.5mm |
| Front-Center Horizontal | 577.5mm |
| Wheelbase | 997mm |
| Fork Offset/Rake | 46mm |
| Trail | 68.9mm high |
| Mechanical Trail | 65.4mm |
| Wheel Flop | 20.7mm |
| Standover Height | 759mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 60.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 113mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1699mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 158 cm to 170 cm |
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/