2017 Surly Bikes Karate Monkey 27.5+ XL

Build

650B/27.5 in × 3 in

Insights

Somewhat aggressive stack and reach vs trend of rigid mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
615mm
Reach
472mm
Stack to Reach Ratio
1.3:1
Seat Tube Length, C-T
521mm
Top Tube Length, Effective/Horizontal Center
660mm
Top Tube Slope
10.6deg
Head Tube Angle
69deg
Seat Tube Angle
73deg
Head Tube Length
120mm
Bottom Bracket Drop
55mm
Bottom Bracket Height
313.2mm
Chainstay Length
423mm
Chainstay Length Horizontal
419.4mm
Front-Center
737.6mm
Front-Center Horizontal
735.6mm
Wheelbase
1155mm
Fork Offset/Rake
47mm
Fork Length (Axle-To-Crown)
483mm
Trail
91mm
very high
Mechanical Trail
85mm
Wheel Flop
30.4mm
Standover Height
827mm
Tire to Pedal Spindle Distance
With 175 mm cranks
194.4mm
Pedal Spindle to Ground Clearance
With 175 mm cranks
138.2mm

27.5+ Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
3in
Tire Outer Diameter
736.4mm
Bike Length with Tires
1891.4mm
Crank Length
175mm
Handlebar Width
720mm
Stem Length
80mm
Suspension Type
Rigid, suspension corrected
Bar Type
Flat Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc
Source:https://surlybikes.com/bikes/legacy/karate_monkey/karate_monkey_27.5/bike_specs