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