Surly Karate Monkey 27.5+

2017
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Description

Years ago the Karate Monkey helped start the 29” wheel movement and, as time’s gone by, many companies ­– Surly included – have experimented with even more wheel sizes. With so many different types and sizes of tires now on the market, riders are beginning to understand the effect that tire width has on overall wheel diameter, and with ample tire clearance, you can see the benefits of multiple wheel sizes all on one bike. 27-plus tires have the same rolling diameter as a 29” wheel, yet you get all the traction and flotation benefits of extra-wide knobbies. And that’s just the tires. The Karate Monkey frame has recently gotten a makeover that includes the addition of features like internal dropper post routing, a new tubeset that uses the same trumpet tubes found on Surly's Instigator 2.0, and a slight tweak in geometry that is more progressive and trail-oriented.

Features & Info

Geometry chart

Surly Karate Monkey 27.5+ geometry chart

Plus-size rims and tires

Plus size rims and tires

Pedals sold separately

Specifications

Frame
Horizontal slotted with derailleur hanger, Surly “Gnot Boost” 142 or 148mm hub spacing compatibility
Fork
4130 CroMoly. 51mm I.S. disc mount, 47mm offset
Headset
Cane Creek
Rims/Wheels
Alex MD40
Hubs
Front: Salsa 110mm, 15mm thru-axle, 32h; Rear: Salsa 148mm, 12mm thru-axle, 32h
Tires
Surly Dirt Wizard 27 x 3, 60 tpi
Crankset
SRAM NX
Chainrings
30T
Bottom Bracket
SRAM Powerspline
Chain
KMC X11-1
Rear Derailleur
SRAM NX
Rear Cogs
Sunrace 11/42
Shifters
SRAM NX
Handlebars
Answer Pro Taper
Stem
H.L. 4-bolt, 31.8mm
Brake Levers
SRAM Level
Brakes
SRAM Level
Saddle
WTB Volt Sport
Seat Post
H.L. 30.9mm