Bike-on-Bike
Default Config
Default Config
Insights
Design deviates from other sizes of Surly Bikes Bridge Club
Average stack and reach vs trend of off-road touring bikes
Design deviates from other sizes of Surly Bikes Ghost Grappler
Geometry
Stack | 553mm | 585mm +32mm |
Reach | 376mm | 381mm +5mm |
Stack to Reach Ratio | 1.47:1 | 1.54:1 |
Seat Tube Length, C-T | — | 316mm |
Seat Tube Length, Unknown | 335.6mm | — |
Top Tube Length, Effective/Horizontal HT Top | 545mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 560mm |
Top Tube Length, Actual C-C | 534mm | — |
Top Tube Slope | 26.1deg | — |
Head Tube Angle | 70deg | 69.5deg -0.5deg |
Seat Tube Angle | 73deg | — |
Seat Tube Angle, Unknown | — | 73deg |
Head Tube Length | 110mm | 160mm +50mm |
Bottom Bracket Drop | 60mm | 50mm -10mm |
Bottom Bracket Height | 293mm | 305.5mm +12.5mm |
Chainstay Length | 435mm | 425mm -10mm |
Chainstay Length Horizontal | 430.8mm | 422.1mm -8.7mm |
Front-Center | 604.1mm | 636.9mm +32.8mm |
Front-Center Horizontal | 601.2mm | 635mm +33.8mm |
Wheelbase | 1032mm | 1057mm +25mm |
Fork Offset/Rake | 43mm | 50mm +7mm |
Fork Length (On-Axis) | — | 420mm |
Fork Length (Axle-To-Crown) | 420mm | — |
Trail | 82.7mm very high | 79.5mm -3.2mm high |
Mechanical Trail | 77.7mm | 74.5mm -3.2mm |
Wheel Flop | 26.6mm | 26.1mm -0.5mm |
Standover Height | 709mm | 719mm +10mm |
Tire to Pedal Spindle | 81.2mm 170 mm cranks | 111.4mm +30.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 123mm 170 mm cranks | 135.5mm +12.5mm 170 mm cranks |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.4in | 2.5in +0.1in |
Tire Outer Diameter | 705.9mm | 711mm +5.1mm |
Bike Length with Tires | 1737.9mm | 1768mm +30.1mm |
Crank Length | 170mm | 170mm +0mm |
Handlebar Width | 700mm | 400mm -300mm |
Stem Length | 80mm | 70mm -10mm |
Stem Angle | 0deg | 6deg +6deg |
| 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 | Disc | Disc |
| Features | — | Single-speed capable |
Meta
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| Source | NA | https://surlybikes.com/bikes/ghost_grappler |
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