2026 Unibike Zethos GTS Base 21″
Build
700C/29 in × 47 mm
Stack and Reach vs. Category Trend
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Geometry
| Stack | 624mm |
| Reach | 412mm |
| Stack to Reach Ratio | 1.51:1 |
| Seat Tube Length, C-T | 533mm |
| Top Tube Length, Effective/Horizontal Unknown | 568mm |
| Top Tube Slope | 11.4deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 150mm |
| Chainstay Length | 450mm |
| Wheelbase | 1102mm |
| Trail | — — |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | — |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 47mm |
| Tire Outer Diameter | 716mm |
| Bike Length with Tires | 1818mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:unibike.pl