Bike-on-Bike
Default Config
53 Medium
Default Config
Insights
Average stack and reach vs trend of track/fixed-gear bikes
Design deviates from other sizes of Surly Bikes Steamroller
Average stack and reach vs trend of track/fixed-gear bikes
Design deviates from other sizes of MASH Steel
Geometry
Stack | 531.3mm | 514mm -17.3mm |
Reach | 394mm | 392mm -2mm |
Stack to Reach Ratio | 1.35:1 | 1.31:1 |
Seat Tube Length, C-T | — | 540mm |
Seat Tube Length, C-C | — | 500mm |
Seat Tube Length, Unknown | 530mm | — |
Top Tube Length, Effective/Horizontal Center | 547mm | 530mm -17mm |
Top Tube Length, Actual C-C | 547mm | 530mm -17mm |
Top Tube Slope | 0deg | 0deg +0deg |
Head Tube Angle | 73deg | 73.5deg +0.5deg |
Seat Tube Angle | 74deg | 75deg +1deg |
Head Tube Length | 109mm | 110mm +1mm |
Bottom Bracket Drop | 70mm | 54mm -16mm |
Bottom Bracket Height | 279mm | 297mm +18mm |
Chainstay Length | 398mm | 390mm -8mm |
Chainstay Length Horizontal | 391.8mm | 386.2mm -5.6mm |
Front-Center | 579mm | 562.2mm -16.8mm |
Front-Center Horizontal | 574.7mm | 559.6mm -15.1mm |
Wheelbase | 966.5mm | 945.8mm -20.7mm |
Fork Offset/Rake | 38mm | 30mm -8mm |
Fork Length (On-Axis) | — | 380mm |
Fork Length (Axle-To-Crown) | 375mm | — |
Trail | 67mm high | 72.7mm +5.7mm high |
Mechanical Trail | 64mm | 69.7mm +5.7mm |
Wheel Flop | 18.7mm | 19.8mm +1.1mm |
Standover Height | 788.5mm | 814mm +25.5mm |
Tire to Pedal Spindle | 60mm 170 mm cranks | 41.2mm -18.8mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 109mm 170 mm cranks | 127mm +18mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 38mm | 40mm +2mm |
Tire Outer Diameter | 698mm | 702mm +4mm |
Bike Length with Tires | 1664.5mm | 1647.8mm -16.7mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Steel | Steel |
| Fork Material | Steel | Steel |
| Brake Type | Rim | Rim |
| Features | Single-speed capable | Single-speed capable |
Meta
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| Source | https://surlybikes.com/bikes/steamroller | https://www.mashsf.com/wp-content/uploads/2021/06/Mash_Steel_GEO_CHART.jpg |
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