2026 / Gen 1 Ikuista Spektri Base S
Build
700C/29 in × 45 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Ikuista Spektri
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 542mm |
| Reach | 365mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 470mm |
| Top Tube Length, Actual C-C | 521mm |
| Top Tube Slope | 10.3deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 78mm |
| Bottom Bracket Height | 278mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 428mm |
| Front-Center | 588.2mm |
| Front-Center Horizontal | 583.1mm |
| Wheelbase | 1011mm |
| Fork Offset/Rake | 50mm |
| Trail | 73mm high |
| Mechanical Trail | 68.8mm |
| Wheel Flop | 23mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 62.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 108mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1723mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 13 ft 7 in to |
| PBH | 75 in to |
Source:www.ikuista.com