2019 Surly Bikes Karate Monkey 27.5+ 140mm Front Suspension XS
Build
650B/27.5 in × 3 in
Insights
Somewhat upright stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of Surly Bikes Karate Monkey
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 607mm |
| Reach | 361mm |
| Stack to Reach Ratio | 1.68:1 |
| Seat Tube Length, C-T | 330mm |
| Top Tube Length, Effective/Horizontal HT Top | 565mm |
| Top Tube Length, Actual C-C | 549.7mm |
| Top Tube Slope | 32.3deg |
| 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 | 651.8mm |
| Front-Center Horizontal | 650.3mm |
| Wheelbase | 1071mm |
| 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 | 750.7mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 118.6mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 159.2mm |
27.5+ 140mm Front Suspension Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 3in |
| Tire Outer Diameter | 736.4mm |
| Bike Length with Tires | 1807.4mm |
| Crank Length | 165mm |
| Handlebar Width | 750mm |
| Stem Length | 60mm |
| Stem Angle | 7deg |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 140mm |
| Suspension Sag | 0% |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://surlybikes.com/bikes/karate_monkey#geo-140mm-suspension-fork-2