Bike-on-Bike
Large 20"
Default Config
Insights
Design deviates from other sizes of Surly Bikes Karate Monkey
Geometry
Stack | 606mm | 614mm +8mm |
Reach | 450mm | 429mm -21mm |
Stack to Reach Ratio | 1.35:1 | 1.43:1 |
Seat Tube Length, C-T | 470mm | 508mm +38mm |
Top Tube Length, Effective/Horizontal Center | — | 616.3mm |
Top Tube Length, Effective/Horizontal HT Top | 635mm | — |
Top Tube Length, Actual C-C | 597.5mm | — |
Top Tube Slope | 14.9deg | 12.5deg -2.4deg |
Head Tube Angle | 69deg | 72deg +3deg |
Seat Tube Angle | 73deg | 73deg +0deg |
Head Tube Length | 110mm | 110mm +0mm |
Bottom Bracket Drop | 55mm | 68mm +13mm |
Bottom Bracket Height | 313.2mm | 306.5mm -6.7mm |
Chainstay Length | 423mm | 431mm +8mm |
Chainstay Length Max | — | 431mm |
Chainstay Length Horizontal | 419.4mm | 425.6mm +6.2mm |
Chainstay Length Horizontal Max | — | 425.6mm |
Front-Center | 711.7mm | 654.7mm -57mm |
Front-Center Horizontal | 709.6mm | 651.2mm -58.4mm |
Wheelbase | 1129mm | 1076.8mm -52.2mm |
Wheelbase Max | — | 1076.8mm |
Fork Offset/Rake | 47mm | 43mm -4mm |
Fork Length (Axle-To-Crown) | 483mm | 468mm -15mm |
Trail | 91mm very high | 76.5mm -14.5mm high |
Mechanical Trail | 85mm | 72.7mm -12.3mm |
Wheel Flop | 30.4mm | 22.5mm -7.9mm |
Standover Height | 812mm | 822.5mm +10.5mm |
Tire to Pedal Spindle | 173.5mm 170 mm cranks | 105.2mm -68.3mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 143.2mm 170 mm cranks | 131.5mm -11.7mm 175 mm cranks |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 3in | 2.5in -0.5in |
Tire Outer Diameter | 736.4mm | 749mm +12.6mm |
Bike Length with Tires | 1865.4mm | 1825.8mm -39.6mm |
Crank Length | — | 175mm |
Handlebar Width | — | 750mm |
Stem Length | — | 100mm |
| Suspension Type | Rigid, suspension corrected | Rigid, suspension corrected |
| Bar Type | Flat Bar | Flat Bar |
| Frame Material | Steel | Steel |
| Fork Material | Steel | Steel |
| Brake Type | Disc | Disc |
Meta
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| Source | https://surlybikes.com/bikes/karate_monkey | https://surlybikes.com/bikes/legacy/karate_monkey/karate_monkey_ops/geometry |
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