Bike-on-Bike
Insights
Average stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of Surly Bikes Karate Monkey
Geometry
Stack | 607mm | — |
Reach | 387mm | — |
Stack to Reach Ratio | 1.57:1 | — |
Seat Tube Length, C-T | 368mm | — |
Top Tube Length, Effective/Horizontal HT Top | 590mm | — |
Top Tube Length, Actual C-C | 560.4mm | — |
Top Tube Slope | 27.1deg | — |
Head Tube Angle | 67.5deg | — |
Seat Tube Angle | 71.5deg | — |
Head Tube Length | 100mm | — |
Bottom Bracket Drop | 44mm | — |
Bottom Bracket Height | 324.2mm | — |
Chainstay Length | 423mm | — |
Chainstay Length Horizontal | 420.7mm | — |
Front-Center | 676.7mm | — |
Front-Center Horizontal | 675.3mm | — |
Wheelbase | 1096mm | — |
Fork Offset/Rake | 51mm | — |
Fork Length (Axle-To-Crown) | 521mm | — |
Trail | 97.3mm very high | — — |
Mechanical Trail | 89.9mm | — |
Wheel Flop | 34.4mm | — |
Standover Height | 768.7mm | — |
Tire to Pedal Spindle | 138.5mm 170 mm cranks | — |
Pedal Spindle to Ground Clearance | 154.2mm 170 mm cranks | — |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | — — |
Tire Width | 3in | — |
Tire Outer Diameter | 736.4mm | — |
Bike Length with Tires | 1832.4mm | — |
Crank Length | 170mm | — |
Handlebar Width | 750mm | — |
Stem Length | 70mm | — |
Stem Angle | 7deg | — |
| Suspension Type | Hardtail (Front suspension) | — |
| Bar Type | Flat Bar | — |
| Fork Travel | 140mm | — |
| Rear Travel | Unknown | — |
| Suspension Sag | 0% | — |
| Frame Material | Steel | — |
| Fork Material | Unknown | — |
| Brake Type | Disc | — |
Meta
| Actions | — | |
| Source | https://surlybikes.com/bikes/karate_monkey#geo-140mm-suspension-fork-2 | — |
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