2026 Merino Gravel Base S
Build
700C/29 in × 45 mm
Insights
Very aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Merino Gravel
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 543mm |
| Reach | 401mm |
| Stack to Reach Ratio | 1.35:1 |
| Seat Tube Length, C-T | 450mm |
| Top Tube Length, Effective/Horizontal Center | 549mm |
| Head Tube Angle | 70deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 286mm |
| Chainstay Length | 420mm |
| Chainstay Length Horizontal | 414.1mm |
| Front-Center | 624.8mm |
| Front-Center Horizontal | 620.9mm |
| Wheelbase | 1035mm |
| Fork Offset/Rake | 44.8mm |
| Trail | 81.9mm very high |
| Mechanical Trail | 76.9mm |
| Wheel Flop | 26.3mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 98.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 116mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1747mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:www.marinobike.com