Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Steel -
Wheels 27.5" -
Groupset NX -
Suspension Rigid -
Drivetrain 1 × 11 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
XS
156cm - 166cm
SM
163cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
185cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Horizontal slotted with derailleur hanger, Surly “Gnot Boost” 142 or 148mm hub spacing compatibility
Suspension Fork
483mm axle-to-crown x 47mm offset, 110mm hub spacing, tapered and butted straight blade, 4130 CroMoly. 51mm I.S. disc mount
Drivetrain
Rear Derailleur
SRAM Nx
Front Derailleur
None
Shift Levers
SRAM Nx
Cassette
Sunrace 11/42
Crank
SRAM NX 30t
Bottom Bracket
73mm
Chain
KMC X11-1
Wheels
Front Hub
Salsa 110mm, 15mm thru-axle, 32h
Rear Hub
Salsa 148mm, 12mm thru-axle, 32h
Rims
Alex MD40
Tires
Surly Dirt Wizard 27 x 3, 60 tpi
Brakes
Brakes
SRAM Level
Brake Levers
SRAM Level
Cockpit
Stem
H.L. 4-bolt, 31.8mm
Handlebar
Answer Pro Taper
Headset
Cane Creek
Seat
Saddle
WTB Volt Sport
Seatpost
H.L. 30.9mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.59 mm | 1.49 mm | 1.4 mm | 1.35 mm | 1.3 mm |
| Bottom Bracket Height | 300 mm | 300 mm | 300 mm | 300 mm | 300 mm |
| Front Center | 636 mm | 661 mm | 686 mm | 712 mm | 738 mm |
| Rake | 47 mm | 47 mm | 47 mm | 47 mm | 47 mm |
| Trail | 88 mm | 88 mm | 88 mm | 88 mm | 88 mm |
| Stack | 595 mm | 595 mm | 595 mm | 604 mm | 613 mm |
| Reach | 375 mm | 400 mm | 425 mm | 448 mm | 470 mm |
| Top Tube Length | 558 mm | 583 mm | 608 mm | 633 mm | 658 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 330 mm | 368 mm | 419 mm | 470 mm | 521 mm |
| Head Tube Angle | 69 ° | 69 ° | 69 ° | 69 ° | 69 ° |
| Head Tube Length | 100 mm | 100 mm | 100 mm | 110 mm | 120 mm |
| Chainstay Length | 421 mm | 421 mm | 421 mm | 421 mm | 421 mm |
| Wheelbase | 1051 mm | 1076 mm | 1101 mm | 1127 mm | 1153 mm |
| Bottom Bracket Drop | 55 mm | 55 mm | 55 mm | 55 mm | 55 mm |
| Standover Height | 741 mm | 757 mm | 781 mm | 810 mm | 825 mm |
| Wheels | 27" | 27" | 27" | 27" | 27" |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |
About this model
Karate Monkey 27.5+ is part of the Surly Karate model. Surly released 18 bikes variations of this model so far. Check out the entire range from 2017 of this model, by clicking this link.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Trail bikes average price
If you want to purchase a solid Trail bike, it is important to know that the average cost is 2762$. However, this doesn’t mean that if you spend less money on a Trail bike, you couldn’t get a decent one. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
Karate Monkey 27.5+ components
Fork material
Karate Monkey 27.5+ has a steel fork, so, it can add some extra weight to your bike. However, steel is a pretty tough and durable material.
Wheels
When leaving the production line, the Karate Monkey 27.5+ model has 27.5″ aluminum wheels. 27.5″ wheels will reach higher speeds than smaller-sized wheels. However, the 27.5″ wheels are less forgiving than the 29″ wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Karate Monkey 27.5+ comes with Hydraulic Disc brakes. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, you can ride your bike with confidence.
Sizes
This bike is available in 5 sizes. They vary from 156 cm – 195 cm (5.12 ft – 6.4 ft). In short, you can easily find one that suits you.