Bike-on-Bike
700C/29 in × 2.5 in
650B/27.5 in × 2.8 in
Insights
Design deviates from other sizes of Surly Bikes Ogre
Geometry
Stack | 603.4mm | 576mm -27.4mm |
Reach | 410.5mm | 419mm +8.5mm |
Stack to Reach Ratio | 1.47:1 | 1.37:1 |
Seat Tube Length, C-T | 457.2mm | 457.2mm +0mm |
Top Tube Length, Effective/Horizontal Center | 595mm | — |
Top Tube Length, Effective/Horizontal HT Top | — | 595mm |
Top Tube Length, Actual C-C | — | 570mm |
Top Tube Slope | 17deg | 14.1deg -2.9deg |
Head Tube Angle | 72deg | 71deg -1deg |
Seat Tube Angle | 73deg | 73deg +0deg |
Head Tube Length | 120mm | 130mm +10mm |
Bottom Bracket Drop | 68mm | 60mm -8mm |
Bottom Bracket Height | 306.5mm | 303.1mm -3.4mm |
Chainstay Length | 440mm | 435mm -5mm |
Chainstay Length Horizontal | 434.7mm | 430.8mm -3.9mm |
Front-Center | 633.5mm | 645mm +11.5mm |
Front-Center Horizontal | 629.8mm | 642.2mm +12.4mm |
Wheelbase | 1064.5mm | 1073mm +8.5mm |
Fork Offset/Rake | 43mm | 43mm +0mm |
Fork Length (Axle-To-Crown) | 447mm | 420mm -27mm |
Trail | 76.5mm high | 79.6mm +3.1mm high |
Mechanical Trail | 72.7mm | 75.2mm +2.5mm |
Wheel Flop | 22.5mm | 24.5mm +2mm |
Standover Height | 795.7mm | 790.2mm -5.5mm |
Tire to Pedal Spindle | 84mm 175 mm cranks | 106.8mm +22.8mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 131.5mm 175 mm cranks | 128.1mm -3.4mm 175 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.5in | 2.8in +0.3in |
Tire Outer Diameter | 749mm | 726.2mm -22.8mm |
Bike Length with Tires | 1813.5mm | 1799.2mm -14.3mm |
Crank Length | 175mm | 175mm +0mm |
Handlebar Width | 740mm | 710mm -30mm |
Stem Length | 80mm | 90mm +10mm |
Stem Angle | — | 6deg |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Flat Bar | Flat Bar |
| Frame Material | Steel | Steel |
| Fork Material | Steel | Steel |
| Brake Type | Disc | Disc |
Meta
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| Source | https://surlybikes.com/bikes/ogre | https://surlybikes.com/bikes/bridge_club |
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