2026 Mosaic Cycles GT-1 i55 Base XL
Build
700C/29 in × 55 mm
Insights
Very upright stack and reach vs trend of progressive gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 618mm |
| Reach | 399mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-T | 580mm |
| Top Tube Length, Effective/Horizontal Unknown | 585mm |
| Top Tube Slope | 5deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle, Unknown | 72deg |
| Head Tube Length | 175mm |
| Bottom Bracket Drop | 80mm |
| Bottom Bracket Height | 286mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 422.5mm |
| Front-Center | 647mm |
| Front-Center Horizontal | 642.5mm |
| Wheelbase | 1065mm |
| Fork Offset/Rake | 55mm |
| Trail | 67.9mm high |
| Mechanical Trail | 64.2mm |
| Wheel Flop | 20.9mm |
| Standover Height | 854mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 111mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 116mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 55mm |
| Tire Outer Diameter | 732mm |
| Bike Length with Tires | 1797mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:mosaiccycles.com