2025 Marin Bikes Four Corners 2 M
Build
700C/29 in × 45 mm
Insights
Somewhat aggressive stack and reach vs trend of off-road touring bikes
Design deviates from other sizes of Marin Bikes Four Corners
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 618mm |
| Reach | 403.3mm |
| Stack to Reach Ratio | 1.53:1 |
| Seat Tube Length, Effective Unknown | 462mm |
| Top Tube Length, Effective/Horizontal Unknown | 586mm |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 188mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 284mm |
| Chainstay Length | 450mm |
| Chainstay Length Horizontal | 444.2mm |
| Front-Center | 646.8mm |
| Front-Center Horizontal | 642.8mm |
| Wheelbase | 1087mm |
| Fork Offset/Rake | 49mm |
| Trail | 70.8mm high |
| Mechanical Trail | 66.9mm |
| Wheel Flop | 21.8mm |
| Standover Height | 745mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 120.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 114mm |
2 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1799mm |
| Crank Length | 170mm |
| Handlebar Width | 460mm |
| Stem Length | 70mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 6 in to 5 ft 10 in |
Source:https://www.marinbikes.com/bikes/2025-four-corners-2