2026 Mosaic Cycles GT-2 i45 Base 50
Build
700C/29 in × 45 mm
Insights
Average stack and reach vs trend of progressive gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 544.1mm |
| Reach | 382.1mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, C-T | 500mm |
| Top Tube Length, Effective/Horizontal Unknown | 535.6mm |
| Top Tube Slope | 8deg |
| Head Tube Angle | 70.3deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 281mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 428.5mm |
| Front-Center | 613.6mm |
| Front-Center Horizontal | 609.5mm |
| Wheelbase | 1038mm |
| Fork Offset/Rake | 55mm |
| Trail | 69.1mm high |
| Mechanical Trail | 65mm |
| Wheel Flop | 21.9mm |
| Standover Height | 771.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 87.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 111mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1750mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:mosaiccycles.com
