2026 TSUNAMI Bicycle GA04 Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS (44) | S (47) | M (50) | L (53) | XL (56) | XXL (59) | |
Stack | 533mm | 551mm | 567mm | 583mm | 597mm | 612mm |
Reach | 365mm | 373mm | 380mm | 390mm | 398mm | 405mm |
Stack to Reach Ratio | 1.46:1 | 1.48:1 | 1.49:1 | 1.49:1 | 1.5:1 | 1.51:1 |
Seat Tube Length, C-TTT | 440mm | 470mm | 500mm | 530mm | 560mm | 590mm |
Top Tube Length, Effective/Horizontal Unknown | 513mm | 527mm | 542mm | 559mm | 570mm | 580mm |
Top Tube Slope | 10.4deg | 8.9deg | 7.2deg | 5.7deg | 4.1deg | 2.6deg |
Head Tube Angle | 70deg | 71deg | 71.5deg | 72deg | 72deg | 72deg |
Seat Tube Angle | 74.5deg | 74.5deg | 74.5deg | 74deg | 74deg | 74deg |
Head Tube Length | 115mm | 130mm | 145mm | 160mm | 175mm | 190mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 286mm | 286mm | 286mm | 286mm | 286mm | 286mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 419.2mm | 419.2mm | 419.2mm | 419.2mm | 419.2mm | 419.2mm |
Front-Center | 591mm | 595.9mm | 602.9mm | 613.8mm | 625.7mm | 636.7mm |
Front-Center Horizontal | 586.8mm | 591.8mm | 598.8mm | 609.8mm | 621.8mm | 632.8mm |
Wheelbase | 1006mm | 1011mm | 1018mm | 1029mm | 1041mm | 1052mm |
Fork Offset/Rake | 50.1mm | 50.3mm | 49.8mm | 50.5mm | 50mm | 49.2mm |
Trail | 76.3mm high | 69.4mm high | 66.6mm high | 62.6mm mid/neutral | 63.1mm mid/neutral | 64mm mid/neutral |
Mechanical Trail | 71.7mm | 65.6mm | 63.2mm | 59.5mm | 60mm | 60.8mm |
Wheel Flop | 24.5mm | 21.4mm | 20mm | 18.4mm | 18.5mm | 18.8mm |
Standover Height | 738mm | 759mm | 784mm | 807mm | 831mm | 856mm |
Tire to Pedal Spindle | 65mm 170 mm cranks | 69.9mm 170 mm cranks | 76.9mm 170 mm cranks | 87.8mm 170 mm cranks | 99.7mm 170 mm cranks | 110.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 116mm 170 mm cranks | 116mm 170 mm cranks | 116mm 170 mm cranks | 116mm 170 mm cranks | 116mm 170 mm cranks | 116mm 170 mm cranks |
Base Build
XS (44) | S (47) | M (50) | L (53) | XL (56) | XXL (59) | |
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 |
Tire Width | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Tire Width Max | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Tire Outer Diameter | 712mm | 712mm | 712mm | 712mm | 712mm | 712mm |
Bike Length with Tires | 1718mm | 1723mm | 1730mm | 1741mm | 1753mm | 1764mm |
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:tsunamibicycle.com