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2019 Surly

Karate Monkey

A 27.5″ / 29″ steel frame rigid trail bike with upper mid-range components.

Manufacturer Price

$2,200
FrameSteel
SuspensionRigid
ForkSteel
Wheels27.5″ / 29″ Aluminum
Drivetrain1 × 11
GroupsetNX
BrakesSRAM Level Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Karate Monkey
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

38 km/h

Karate Monkey

42 km/h

Similar Bikes

Highest gear

(descending)

Sizing
XS

156cm – 166cm

SM

163cm – 174cm

MD

171cm – 182cm

LG

179cm – 189cm

XL

185cm – 195cm

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
BIKEPACKING.com
Michael Dammer's Surly Karate Monkey

Aug 2017 · Cass Gilbert

We check out Michael Dammer's Surly Karate Monkey Colorado Trail bikepacking rig and its awesome farm-made leather framebag...

Read Review

Geometry
Specs
Build
Frame

Surly 4130 Chromoly Steel, Custom double butted externally flaired tubing. Horizontal slotted with derailleur hanger, Surly “Gnot Boost” 142 or 148mm hub spacing compatibility

Tire Clearance2.5"

Fork

Surly 4130 Chromoly Steel, 483mm axle-to-crown x 47mm offset, 110mm hub spacing, tapered and butted straight blade, 4130 Chromoly. 51mm I.S. disc mount

Bottom Bracket

SRAM Power Spline

Headset

Cane Creek

Stem

Promax, 31.8mm

Handlebar

Salsa Rustler 31.8mm

Saddle

WTB Volt Sport

Seatpost

Promax 30.9mm

TypeRigid

Grips

Velo single lock-on

Groupset
Rear Derailleur

SRAM NX

Front Derailleur

None

Crank

SRAM NX 30t

Shifters

SRAM NX

Cassette

Sunrace 11 speed 11-42t

Chain

KMC X11EL-1

Brakes

SRAM Level

TypeSRAM Level Hydraulic Disc

Brake Levers

SRAM Level

Wheels
Rims

WTB ST i40 TCS

Front Hub

Novatec, 32h, Thru-Axle

Rear Hub

Novatec, 32h, Thru-Axle

Tires

Surly Dirt Wizard 27 x 3”, 60 tpi Tubeless Ready

Disc Rotors

SRAM Centerline 180/160

Rider Notes
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First added 15 July

Last updated 15 July

Not listed for 2,510 days