2017 Surly Bikes Moonlander Base Medium (18)
Build
26 in × 4.8 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 | 590mm |
| Reach | 415mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, C-T | 457.2mm |
| Top Tube Length, Effective/Horizontal Center | 595.5mm |
| Top Tube Slope | 15.6deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 341.4mm |
| Chainstay Length | 450mm |
| Chainstay Length Max | 450mm |
| Chainstay Length Horizontal | 446mm |
| Chainstay Length Horizontal Max | 446mm |
| Front-Center | 650.7mm |
| Front-Center Horizontal | 647.9mm |
| Wheelbase | 1093.9mm |
| Wheelbase Max | 1093.9mm |
| Fork Offset/Rake | 43mm |
| Fork Length (Axle-To-Crown) | 447mm |
| Trail | 96.5mm very high |
| Mechanical Trail | 91mm |
| Wheel Flop | 30.4mm |
| Standover Height | 820.5mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 74.3mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 166.4mm |
Base Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 4.8in |
| Tire Outer Diameter | 802.8mm |
| Bike Length with Tires | 1896.7mm |
| Crank Length | 175mm |
| Handlebar Width | 750mm |
| Stem Length | 100mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:https://surlybikes.com/bikes/legacy/moonlander/moonlander_metallic_sand/geometry