Bike-on-Bike
Default Config
Small (16)
Default Config
Insights
Very aggressive stack and reach vs trend of off-road touring bikes
Somewhat aggressive stack and reach vs trend of rigid fatbike bikes
Geometry
Stack | 604mm | 568mm -36mm |
Reach | 405mm | 396mm -9mm |
Stack to Reach Ratio | 1.49:1 | 1.43:1 |
Seat Tube Length, C-T | 386mm | 406.4mm +20.4mm |
Top Tube Length, Effective/Horizontal Center | — | 580.9mm |
Top Tube Length, Effective/Horizontal Unknown | 590mm | — |
Top Tube Slope | — | 19.2deg |
Head Tube Angle | 69.5deg | 70.5deg +1deg |
Seat Tube Angle | — | 72deg |
Seat Tube Angle, Unknown | 73deg | — |
Head Tube Length | 180mm | 102mm -78mm |
Bottom Bracket Drop | 50mm | 55mm +5mm |
Bottom Bracket Height | 305.5mm | 321mm +15.5mm |
Chainstay Length | 425mm | 448.1mm +23.1mm |
Chainstay Length Max | — | 448.1mm |
Chainstay Length Horizontal | 422.1mm | 444.7mm +22.6mm |
Chainstay Length Horizontal Max | — | 444.7mm |
Front-Center | 667.8mm | 625.1mm -42.7mm |
Front-Center Horizontal | 666mm | 622.7mm -43.3mm |
Wheelbase | 1088mm | 1067.4mm -20.6mm |
Wheelbase Max | — | 1067.4mm |
Fork Offset/Rake | 50mm | 43mm -7mm |
Fork Length (On-Axis) | 420mm | — |
Fork Length (Axle-To-Crown) | — | 447mm |
Trail | 79.5mm high | 87.5mm +8mm very high |
Mechanical Trail | 74.5mm | 82.5mm +8mm |
Wheel Flop | 26.1mm | 27.6mm +1.5mm |
Standover Height | 762mm | 758.7mm -3.3mm |
Tire to Pedal Spindle | 142.3mm 170 mm cranks | 79.1mm -63.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 135.5mm 170 mm cranks | 151mm +15.5mm 170 mm cranks |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | 26 in 559 mm BSD |
Tire Width | 2.5in | 3.8in +1.3in |
Tire Outer Diameter | 711mm | 752mm +41mm |
Bike Length with Tires | 1799mm | 1819.4mm +20.4mm |
Crank Length | 170mm | 170mm +0mm |
Handlebar Width | 420mm | 700mm +280mm |
Stem Length | 70mm | 90mm +20mm |
Stem Angle | 6deg | — |
| Suspension Type | Rigid, non-suspension corrected | Rigid, 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 | https://surlybikes.com/bikes/legacy/pugsley/pugsley_green/geometry |
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