2025 TSUNAMI Bicycle GC05 Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
xs | s | M | L | XL | |
Stack | 526mm | 547mm | 568mm | 587mm | 606mm |
Reach | 367mm | 370mm | 375mm | 380mm | 385mm |
Stack to Reach Ratio | 1.43:1 | 1.48:1 | 1.51:1 | 1.54:1 | 1.57:1 |
Seat Tube Length, C-T | 440mm | 470mm | 500mm | 530mm | 560mm |
Top Tube Length, Effective/Horizontal Center | 512mm | 522mm | 530mm | 548mm | 560mm |
Top Tube Slope | 11.9deg | 10.8deg | 9.6deg | 8.4deg | 7.2deg |
Head Tube Angle | 71deg | 71.5deg | 72deg | 72deg | 72deg |
Seat Tube Angle | 74.5deg | 74.5deg | 74.5deg | 74deg | 74deg |
Head Tube Length | 100mm | 120mm | 140mm | 160mm | 180mm |
Bottom Bracket Drop | 68mm | 68mm | 68mm | 68mm | 68mm |
Bottom Bracket Height | 283mm | 283mm | 283mm | 283mm | 283mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 419.5mm | 419.5mm | 419.5mm | 419.5mm | 419.5mm |
Front-Center | 576.5mm | 581.5mm | 588.4mm | 599.4mm | 599.4mm |
Front-Center Horizontal | 572.5mm | 577.5mm | 584.5mm | 595.5mm | 595.5mm |
Wheelbase | 992mm | 997mm | 1004mm | 1015mm | 1015mm |
Fork Offset/Rake | 46mm | 46mm | 46mm | 46mm | 46mm |
Trail | 72.2mm high | 68.9mm high | 65.7mm high | 65.7mm high | 65.7mm high |
Mechanical Trail | 68.3mm | 65.4mm | 62.5mm | 62.5mm | 62.5mm |
Wheel Flop | 22.2mm | 20.7mm | 19.3mm | 19.3mm | 19.3mm |
Standover Height | 738mm | 759mm | 784mm | 807mm | 831mm |
Tire to Pedal Spindle | 55.5mm 170 mm cranks | 60.5mm 170 mm cranks | 67.4mm 170 mm cranks | 78.4mm 170 mm cranks | 78.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 113mm 170 mm cranks | 113mm 170 mm cranks | 113mm 170 mm cranks | 113mm 170 mm cranks | 113mm 170 mm cranks |
Base Build
xs | s | M | L | XL | |
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 |
Tire Width | 40mm | 40mm | 40mm | 40mm | 40mm |
Tire Outer Diameter | 702mm | 702mm | 702mm | 702mm | 702mm |
Bike Length with Tires | 1694mm | 1699mm | 1706mm | 1717mm | 1717mm |
Published Sizing Recommendations
Height | 150 cm to 160 cm | 158 cm to 170 cm | 168 cm to 178 cm | 176 cm to 186 cm | 184 cm to 195 cm |
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
All-road/GravelSource: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/