2026 / Gen 1 Ikuista Fluxi Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | S | M | L | XL | |
Stack | 504mm | 511mm | 527mm | 548mm | 568mm |
Reach | 375mm | 388mm | 389mm | 389mm | 394mm |
Stack to Reach Ratio | 1.34:1 | 1.32:1 | 1.35:1 | 1.41:1 | 1.44:1 |
Seat Tube Length, C-T | 440mm | 470mm | 500mm | 520mm | 540mm |
Top Tube Length, Actual C-C | 515mm | 530mm | 540mm | 550mm | 565mm |
Top Tube Slope | 9.2deg | 6.5deg | 5deg | 5.2deg | 5.3deg |
Head Tube Angle | 70.5deg | 71deg | 72deg | 72.5deg | 73deg |
Seat Tube Angle | 74.5deg | 74.5deg | 74deg | 73.6deg | 73.3deg |
Head Tube Length | 102mm | 108mm | 121mm | 141mm | 161mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 271mm | 271mm | 271mm | 271mm | 271mm |
Chainstay Length | 412mm | 412mm | 412mm | 412mm | 412mm |
Chainstay Length Horizontal | 406mm | 406mm | 406mm | 406mm | 406mm |
Front-Center | 580.2mm | 591.2mm | 589.2mm | 590.2mm | 597.1mm |
Front-Center Horizontal | 576mm | 587mm | 585mm | 586mm | 593mm |
Wheelbase | 982mm | 993mm | 991mm | 992mm | 999mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm | 45mm |
Trail | 73mm high | 69.8mm high | 63.5mm mid/neutral | 60.3mm mid/neutral | 57.2mm mid/neutral |
Mechanical Trail | 68.8mm | 66mm | 60.4mm | 57.5mm | 54.7mm |
Wheel Flop | 23mm | 21.5mm | 18.7mm | 17.3mm | 16mm |
Tire to Pedal Spindle | 69.2mm 170 mm cranks | 80.2mm 170 mm cranks | 78.2mm 170 mm cranks | 79.2mm 170 mm cranks | 86.1mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 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 | 30mm | 30mm | 30mm | 30mm | 30mm |
Tire Width Max | 35mm | 35mm | 35mm | 35mm | 35mm |
Tire Outer Diameter | 682mm | 682mm | 682mm | 682mm | 682mm |
Bike Length with Tires | 1664mm | 1675mm | 1673mm | 1674mm | 1681mm |
Published Sizing Recommendations
Height | 13 ft 4 in to | 14 ft 0 in to | 14 ft 6 in to | 15 ft 0 in to | 15 ft 8 in to |
PBH | 71 in to | 74 in to | 79 in to | 83 in to | 87 in to |
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
Performance RoadSource:www.ikuista.com