Bike-on-Bike
Default Config
Default Config
Insights
Design deviates from other sizes of Surly Bikes Preamble
Design deviates from other sizes of Surly Bikes Preamble
Geometry
Stack | 517mm | 643mm +126mm |
Reach | 352mm | 421mm +69mm |
Stack to Reach Ratio | 1.47:1 | 1.53:1 |
Seat Tube Length, Unknown | 410mm | 645mm +235mm |
Top Tube Length, Actual C-C | 500mm | 630mm +130mm |
Top Tube Slope | 14.8deg | 2.7deg -12.1deg |
Head Tube Angle | 70deg | 72deg +2deg |
Seat Tube Angle | 74deg | 72deg -2deg |
Head Tube Length | 120mm | 210mm +90mm |
Bottom Bracket Drop | 54mm | 66mm +12mm |
Bottom Bracket Height | 285mm | 292mm +7mm |
Chainstay Length | 420mm | 435mm +15mm |
Chainstay Length Horizontal | 416.5mm | 430mm +13.5mm |
Front-Center | 573mm | 658.4mm +85.4mm |
Front-Center Horizontal | 570.5mm | 655mm +84.5mm |
Wheelbase | 987mm | 1085mm +98mm |
Fork Offset/Rake | 47mm | 44mm -3mm |
Fork Length (On-Axis) | 380mm | 400mm +20mm |
Trail | 73.4mm high | 70.1mm -3.3mm high |
Mechanical Trail | 68.9mm | 66.6mm -2.3mm |
Wheel Flop | 23.6mm | 20.6mm -3mm |
Standover Height | 722.5mm | 900.5mm +178mm |
Tire to Pedal Spindle | 69mm 165 mm cranks | 125.4mm +56.4mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 120mm 165 mm cranks | 117mm -3mm 175 mm cranks |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 47mm | 47mm +0mm |
Tire Outer Diameter | 678mm | 716mm +38mm |
Bike Length with Tires | 1665mm | 1801mm +136mm |
Crank Length | 165mm | 175mm +10mm |
Stem Angle | 7deg | 7deg +0deg |
| 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 | Disc | Disc |
Meta
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| Source | https://surlybikes.com/bikes/preamble | https://surlybikes.com/bikes/preamble |
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