2024 Surly Bikes Karate Monkey 29 140mm Front Suspension
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 140mm fork travel
- Features
- Disc brake
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
XS | SM | MD | LG | XL | |
Stack | 601mm | 601mm | 602mm | 611mm | 621mm |
Reach | 371mm | 396mm | 421mm | 443mm | 466mm |
Stack to Reach Ratio | 1.62:1 | 1.52:1 | 1.43:1 | 1.38:1 | 1.33:1 |
Seat Tube Length, Effective Unknown | 330mm | 368mm | 419mm | 470mm | 521mm |
Top Tube Length, Effective/Horizontal Center | 562mm | 587mm | 612mm | 637mm | 662mm |
Head Tube Angle | 68deg | 68deg | 68deg | 68deg | 68deg |
Seat Tube Angle | 72deg | 72deg | 72deg | 72deg | 72deg |
Head Tube Length | 100mm | 100mm | 100mm | 110mm | 120mm |
Bottom Bracket Drop | 51mm | 51mm | 51mm | 51mm | 51mm |
Bottom Bracket Height | 323.5mm | 323.5mm | 323.5mm | 323.5mm | 323.5mm |
Chainstay Length | 423mm | 423mm | 423mm | 423mm | 423mm |
Chainstay Length Horizontal | 419.9mm | 419.9mm | 419.9mm | 419.9mm | 419.9mm |
Front-Center | 639.1mm | 664.1mm | 689mm | 713.9mm | 739.9mm |
Front-Center Horizontal | 637.1mm | 662.1mm | 687.1mm | 712.1mm | 738.1mm |
Wheelbase | 1057mm | 1082mm | 1107mm | 1132mm | 1158mm |
Fork Offset/Rake | 44mm | 44mm | 44mm | 44mm | 44mm |
Fork Length (Axle-To-Crown) | 499mm | 499mm | 499mm | 499mm | 499mm |
Trail | 103.9mm very high | 103.9mm very high | 103.9mm very high | 103.9mm very high | 103.9mm very high |
Mechanical Trail | 96.3mm | 96.3mm | 96.3mm | 96.3mm | 96.3mm |
Wheel Flop | 36.1mm | 36.1mm | 36.1mm | 36.1mm | 36.1mm |
Standover Height | 751mm | 769mm | 791mm | 819mm | 848mm |
Tire to Pedal Spindle | 94.6mm 170 mm cranks | 119.6mm 170 mm cranks | 139.5mm 175 mm cranks | 164.4mm 175 mm cranks | 190.4mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 153.5mm 170 mm cranks | 153.5mm 170 mm cranks | 148.5mm 175 mm cranks | 148.5mm 175 mm cranks | 148.5mm 175 mm cranks |
29 140mm Front Suspension Build
XS | SM | MD | LG | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.5in | 2.5in | 2.5in | 2.5in | 2.5in |
Tire Outer Diameter | 749mm | 749mm | 749mm | 749mm | 749mm |
Bike Length with Tires | 1806mm | 1831mm | 1856mm | 1881mm | 1907mm |
Crank Length | 170mm | 170mm | 175mm | 175mm | 175mm |
Handlebar Width | 750mm | 750mm | 800mm | 800mm | 800mm |
Stem Length | 60mm | 70mm | 70mm | 70mm | 80mm |
Published Sizing Recommendations
Height | 145 cm to 160 cm | 155 cm to 170 cm | 165 cm to 180 cm | 175 cm to 191 cm | 185 cm to 201 cm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Hardtail Trail MTBSource:https://surlybikes.com/products/karate-monkey-front-suspension-peach-salmon-sundae?variant=42125093502999