Bike-on-Bike
Default Config
Default Config
Insights
Somewhat upright stack and reach vs trend of track/fixed-gear bikes
Average stack and reach vs trend of track/fixed-gear bikes
Design deviates from other sizes of Surly Bikes Steamroller
Geometry
Stack | 545.3mm | 531.3mm -14mm |
Reach | 394.4mm | 394mm -0.4mm |
Stack to Reach Ratio | 1.38:1 | 1.35:1 |
Seat Tube Length, C-TTT | 520mm | — |
Seat Tube Length, Unknown | — | 530mm |
Top Tube Length, Effective/Horizontal Center | — | 547mm |
Top Tube Length, Effective/Horizontal HT Top | 550mm | — |
Top Tube Length, Actual C-C | — | 547mm |
Top Tube Slope | 2.7deg | 0deg -2.7deg |
Head Tube Angle | 74deg | 73deg -1deg |
Seat Tube Angle | 74.5deg | 74deg -0.5deg |
Head Tube Length | 130mm | 109mm -21mm |
Bottom Bracket Drop | 58mm | 70mm +12mm |
Bottom Bracket Height | 281mm | 279mm -2mm |
Chainstay Length | 396mm | 398mm +2mm |
Chainstay Length Horizontal | 391.7mm | 391.8mm +0.1mm |
Front-Center | 574.4mm | 579mm +4.6mm |
Front-Center Horizontal | 571.5mm | 574.7mm +3.2mm |
Wheelbase | 963.2mm | 966.5mm +3.3mm |
Fork Offset/Rake | 32mm | 38mm +6mm |
Fork Length (Axle-To-Crown) | 375mm | 375mm +0mm |
Trail | 63.9mm mid/neutral | 67mm +3.1mm high |
Mechanical Trail | 61.4mm | 64mm +2.6mm |
Wheel Flop | 16.9mm | 18.7mm +1.8mm |
Standover Height | 796mm | 788.5mm -7.5mm |
Tire to Pedal Spindle | 70.4mm 165 mm cranks | 60mm -10.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 116mm 165 mm cranks | 109mm -7mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 38mm +10mm |
Tire Outer Diameter | 678mm | 698mm +20mm |
Bike Length with Tires | 1641.2mm | 1664.5mm +23.3mm |
Crank Length | 165mm | — |
Handlebar Width | 700mm | — |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Flat 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://allcitycycles.com/bikes/big_block | https://surlybikes.com/bikes/steamroller |
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