2026 / Gen 1 Ikuista Spektri Base XXL
Build
700C/29 in × 45 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 617mm |
| Reach | 399mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-T | 570mm |
| Top Tube Length, Actual C-C | 583mm |
| Top Tube Slope | 7.2deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 185mm |
| Bottom Bracket Drop | 78mm |
| Bottom Bracket Height | 278mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 428mm |
| Front-Center | 637.8mm |
| Front-Center Horizontal | 633.1mm |
| Wheelbase | 1061mm |
| Fork Offset/Rake | 50mm |
| Trail | 66.4mm high |
| Mechanical Trail | 63mm |
| Wheel Flop | 20mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 111.8mm |
| 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 | 1773mm |
| 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 | 15 ft 10 in to |
| PBH | 89 in to |
Source:www.ikuista.com