2025 Surly Bikes Moonlander Pinion SM
Build
24 in × 6.2 in
Insights
Somewhat aggressive stack and reach vs trend of rigid fatbike bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 578.4mm |
| Reach | 398.2mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, C-T | 368mm |
| Top Tube Length, Effective/Horizontal HT Top | 575mm |
| Top Tube Slope | 24.1deg |
| Head Tube Angle | 68.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 45mm |
| Bottom Bracket Height | 366mm |
| Chainstay Length | 561.8mm |
| Chainstay Length Horizontal | 560mm |
| Front-Center | 657mm |
| Front-Center Horizontal | 655.4mm |
| Wheelbase | 1215.4mm |
| Fork Offset/Rake | 50mm |
| Fork Length (Axle-To-Crown) | 460mm |
| Trail | 108.2mm very high |
| Mechanical Trail | 100.6mm |
| Wheel Flop | 36.9mm |
| Standover Height | 736mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 76mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 196mm |
Pinion Build
| Wheel Size | 24 inch (507mm BSD) |
| Tire Width | 6.2in |
| Tire Outer Diameter | 822mm |
| Bike Length with Tires | 2037.4mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Swept Back Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:https://surlybikes.com/bikes/moonlander-v2