Bike-on-Bike
Default Config
Default Config
Insights
Very aggressive stack and reach vs trend of off-road touring bikes
Design deviates from other sizes of Tanglefoot Cycles Hardtack
Very aggressive stack and reach vs trend of off-road touring bikes
Design deviates from other sizes of Surly Bikes Ghost Grappler
Geometry
Stack | 690mm | 660mm -30mm |
Reach | 440mm | 458mm +18mm |
Stack to Reach Ratio | 1.57:1 | 1.44:1 |
Seat Tube Length, C-T | 545mm | 539mm -6mm |
Top Tube Length, Effective/Horizontal Center | — | 660mm |
Top Tube Length, Effective/Horizontal Unknown | 679mm | — |
Top Tube Slope | 15.8deg | 13.2deg -2.6deg |
Head Tube Angle | 69deg | 69.5deg +0.5deg |
Seat Tube Angle | 71deg | 73deg +2deg |
Head Tube Length | 274.5mm | 240mm -34.5mm |
Bottom Bracket Drop | 50mm | 50mm +0mm |
Bottom Bracket Height | 308mm | 244.2mm -63.8mm |
Chainstay Length | 450mm | 425mm -25mm |
Chainstay Length Horizontal | 447.2mm | 422.1mm -25.1mm |
Front-Center | 754.8mm | 741.6mm -13.2mm |
Front-Center Horizontal | 753.2mm | 740mm -13.2mm |
Wheelbase | 1200.4mm | 1162mm -38.4mm |
Fork Offset/Rake | 63mm | 50.5mm -12.5mm |
Fork Length (Axle-To-Crown) | 420mm | 420mm +0mm |
Trail | 69.9mm high | 56.1mm -13.8mm mid/neutral |
Mechanical Trail | 65.3mm | 52.6mm -12.7mm |
Wheel Flop | 23.4mm | 18.4mm -5mm |
Standover Height | 879mm | 863mm -16mm |
Tire to Pedal Spindle | 226.8mm 170 mm cranks | 272.4mm +45.6mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 138mm 170 mm cranks | 69.2mm -68.8mm 175 mm cranks |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 66mm | 2.2mm -63.8mm |
Tire Outer Diameter | 716mm | 588.4mm -127.6mm |
Bike Length with Tires | 1916.4mm | 1750.4mm -166mm |
Crank Length | — | 175mm |
Handlebar Width | — | 480mm |
Stem Length | — | 70mm |
Stem Angle | — | 6deg |
| 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 |
| Features | — | Single-speed capable |
Meta
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| External Links | — | |
| Source | Manufacturer | https://www.bike-components.de/en/Surly/Grappler-27-5-Frameset-p80455/ |
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