Bike-on-Bike
Medium (18)
Default Config
Insights
Design deviates from other sizes of Surly Bikes Big Dummy
Geometry
Stack | 580mm | — |
Reach | 418.1mm | — |
Stack to Reach Ratio | 1.39:1 | — |
Seat Tube Length, C-T | 457.2mm | — |
Top Tube Length, Effective/Horizontal Center | 596.1mm | — |
Top Tube Length, Actual C-C | 570.1mm | — |
Top Tube Slope | 16.3deg | — |
Head Tube Angle | 72deg | — |
Seat Tube Angle | 73deg | — |
Head Tube Length | 145.9mm | — |
Bottom Bracket Drop | 40mm | — |
Bottom Bracket Height | 299.5mm | — |
Chainstay Length | 827mm | — |
Chainstay Length Horizontal | 826mm | — |
Front-Center | 634mm | — |
Front-Center Horizontal | 632.8mm | — |
Wheelbase | 1458.8mm | — |
Fork Offset/Rake | 43mm | — |
Fork Length (On-Axis) | 420mm | — |
Trail | 65.1mm high | — — |
Mechanical Trail | 61.9mm | — |
Wheel Flop | 19.1mm | — |
Standover Height | 773mm | — |
Tire to Pedal Spindle | 119.5mm 175 mm cranks | — |
Pedal Spindle to Ground Clearance | 124.5mm 175 mm cranks | — |
Build
Wheel Size | 26 in 559 mm BSD | — — |
Tire Width | 60mm | — |
Tire Outer Diameter | 679mm | — |
Bike Length with Tires | 2137.8mm | — |
Crank Length | 175mm | — |
Handlebar Width | 750mm | — |
Stem Length | 90mm | — |
Stem Angle | 7deg | — |
| Suspension Type | Rigid, suspension corrected | — |
| Bar Type | Flat Bar | — |
| Frame Material | Steel | — |
| Fork Material | Steel | — |
| Brake Type | Rim | — |
Meta
| Actions | — | |
| Source | https://surlybikes.com/bikes/big_dummy | — |
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