Surly Karate Monkey Fork 29er Forks

3.44/5 (9 Reviews)
Weight : 2.59 lbs MSRP : $110.00


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Product Description

The Karate Monkey fork is made from durable CroMoly and is designed for 29” wheels. It features brake line guides, fender mounting eyelets, andTapered straight blades. 1 1/18” steererTubeFits 29”wheelsSuspension corrected for 80mmTravel frames51mm IS caliper mount. No rim brake mounts260mm steererTube lengthWeight: 2.6 lbs (uncut)


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Reviews 1 - 9 (9 Reviews Total)

User Reviews

Overall Rating:4
Value Rating:5
Submitted by Bike Whisperer a Weekend Warrior

Date Reviewed: March 17, 2014

Strengths:    Lots if tire clearance, great value, precise feel, no shudder with disc brakes

Weaknesses:    Compared to the (heavier) curved blade Voodoo fork I had previously, the KM fork feels less compliant.

Bottom Line:   
I like to ride big tires on wide rims, so compliance is not my main concern with this fork. I wanted something that was a precise point and shoot fork and in that avenue the KM is spot on. Not the lightest, not the cheapest, not the most compliant...but a good balance along with durability.

Expand full review >>

Duration Product Used:   12 months

Price Paid:    $100.00

Purchased At:   LBS

Similar Products Used:   Voodoo Zombie


Overall Rating:4
Value Rating:3
Submitted by Owen

Date Reviewed: March 27, 2013

Strengths:    holds a line well. versatile with cantilever bosses, eyelets, disc caliper mounts.

Weaknesses:    heavy fork chatter on braking. Tightened up the headset and it still chatters badly. I'm 220 lbs and it still doesn't feel too compliant to me, but I use it as a commuter so I don't need huge bump absorption. And I could always run a lower PSI on my Big Apples, but I like them faster.

Bottom Line:   
I've read that Surly has updated the fork in recent years (bought mine used and I think it's at least 4 years old). and I'd give the new one a shot if they could match the nice blue color on my existing.

Overall Rating:3
Value Rating:4
Submitted by Julius a Cross Country Rider from San Diego, CA, USA

Date Reviewed: May 12, 2008

Strengths:    Cheap, very strong, v-brake/disc compatible

Weaknesses:    Heavy, shudders in heavy braking

Bottom Line:   
This fork is perfect for riders > 200lbs. as it is pretty strong. However, I find that it shudders under heavy braking on descents but maybe I'm the only one? I'm running 185 discs. I paid only $35 so I shouldn't complain too much.

Expand full review >>

Favorite Trail:   Noble Canyon, CA

Duration Product Used:   3 months

Price Paid:    $35.00

Purchased At:   eBay

Bike Setup:   Soma Juice

Overall Rating:4
Value Rating:5
Submitted by Bruce Brown a Cross Country Rider from Des Moines

Date Reviewed: March 14, 2007

Strengths:    Solid rigid steel fork that complements the Karate Monkey frame quite well. Can be run with V brakes or disc brakes. Holds line like a champ. Price is affordable.

Weaknesses:    Heavy and probably best suited for the heavier/larger rider.

Bottom Line:   
It is hard to beat the price since the fork came with my KM frame. I like the stiffness of the fork and it performs well on most Iowa singletrack. One needs to gain some suspension with a front tire that provides some cush. One could add a carbon handlebar and comfy grips so the fork will be less harsh, but this is a steel rigid banger. It's nice to have a maintenance free fork. One less thing to worry about.

A Karate Monkey frame and fork can be built up light. My size XL with gears coming in at 23.9 pounds does not feel like a heavy bike underneath me at all. It flat out flies on the trail and for where I ride, the fork rails the corners and allows me to hammer ride out of the turn with no flex.

Lots of chilis for value.

Expand full review >>

Duration Product Used:   More than 3 years

Purchased At:   Came with KM frame

Similar Products Used:   Trek rigid steel fork on 26" wheeled bike.

Bike Setup:   XL Karate Monkey frame/fork with Avid V brakes/levers, American Classic wheelset, XT chainring/BB, SRAM drivetrain, Thomson post/stem, King HS, WTB saddle, Xpedo pedals, Karma tires. Total bike weighs 23.9 pounds.

Overall Rating:4
Value Rating:5
Submitted by Andrew a Cross Country Rider from Toronto, ON

Date Reviewed: February 27, 2007

Strengths:    Affordable way to experience rigid riding. Great precision and tracking. Nice offset (43mm).

Weaknesses:    Bit heavy, and harsh.

Bottom Line:   
A product with great value for the price. Anyone looking to have a spare fork, or to change the handling of their bike, should look to this product.

It rides well in all conditions.

Expand full review >>

Favorite Trail:   BuckWallow

Duration Product Used:   2 Years

Price Paid:    $89.00

Purchased At:   SpeedGoat

Similar Products Used:   Misfit Rigid Fork

Bike Setup:   Don't have the fork anymore, but can recommend it.

Overall Rating:3
Value Rating:5
Submitted by Ivan from Red Republic

Date Reviewed: December 21, 2006

Strengths:    Cheap - especially since it came with my monkey frame. Stiff (which is both good and bad). Looks fine.

Weaknesses:    No disc only version. yeah it goes against KM spirit of changeability - but my canti-bosses are rusting from the inside out.
Stiff - damn thing rattles out my teeth on baby-head downhills. For everything else - works well


Bottom Line:   
For the price (free with your frameset) or on sale - this is a bargain fork. If you're wanting a more forgiving rigid ride you may want a Ti fork. Perhaps talk to Walt. But for cheapie - this is it.

Expand full review >>

Duration Product Used:   2 Years

Purchased At:   webcyclery.com

Bike Setup:   KM Rigid

Overall Rating:3
Value Rating:4
Submitted by Ott a Cross Country Rider from Netherlands, arnhem

Date Reviewed: December 5, 2006

Strengths:    simplisity

Weaknesses:    Cantilevers and disc mounts. Needs two versions

Bottom Line:   
Steel as vork matarial rules, looks good and it`s easy to get

Expand full review >>

Duration Product Used:   3 months

Price Paid:    $100.00

Similar Products Used:   Onone steel

Bike Setup:   GF RIG 32=18/17

Overall Rating:3
Value Rating:5
Submitted by Martijn a Cross Country Rider from Holland

Date Reviewed: December 4, 2006

Strengths:    Cheap, stiff and clean looking

Weaknesses:    Stiff as in harsh on bumps, not that light, not enough rake

Bottom Line:   
Nice fork for smooth trails but a bit harsh on bumps.
Tree roots, stones and trail bumps make it a bumpy ride with this fork mounted.
Next fork will be a carbon one with a bit more rake and a bit more give.
For commuting it might be the ultimate fork, cheap and stiff.

Expand full review >>

Duration Product Used:   3 months

Price Paid:    $100.00

Purchased At:   www.singlespeed.nl

Similar Products Used:   none

Bike Setup:   Gary Fisher Rig frame with nearly all the goodies you can think of:)

Overall Rating:3
Value Rating:5
Submitted by GlowBoy a Cross Country Rider from Portland OR

Date Reviewed: December 1, 2006

Strengths:    Cheap. Stiff. Looks good. Extra rake may quicken the handling slightly and helps prevent toe overlap.

Weaknesses:    Stiff. Harsh ride for 165 lb riders like myself.

Bottom Line:   
Cheap rigid fork that gets the job done. Others say it's fairly compliant under 200+ pound riders, but for smaller guys it's downright brutal. I went from a lightweight rigid 26" bike to the 29" Karate Monkey (frame and fork), and the ride actually got harsher.

Expand full review >>

Favorite Trail:   Lost somewhere in Oregon

Duration Product Used:   More than 3 years

Purchased At:   Bike Gallery as part of KM frameset

Similar Products Used:   Various rigid 26" forks over the years.

Bike Setup:   Surly Karate Monkey, configured every way you can imagine over the past 3 years: singlespeed, 2x9 derailer and (currently, for commuting) 3-speed internal hub. V and (currently) disc brakes. Straight, Mary, inverted cruiser, drop and (currently) Midge bars. 29" knobby, (currently) 28" semislick, cyclocross, and road racing tires.

Reviews 1 - 9 (9 Reviews Total)

Review Options:  Sorted by Latest Review | Sort by Best Rating


Ogre or Fargo Fork for my Karate Monkey

I'd like to replace the fork on my '11 Karate Monkey with a new fork that has braze-ons. The stock fork is OK, but the only attachment points it has are for fenders. Both the Ogre and Fargo forks have a good complement of braze-ons for racks, cages, etc. They appear about equivalent as far as tha ... Read More »

Karate Monkey with 120 mm fork = Allmountain Hardtail?

29" allmountain hardtails/trailbikes are very popular here in germany this time. So I compared the geometry of a few allmountain 29" Hardtails and took the calculator… Karate Monkeys geometry is suspension corrected for 80 mm forks. So what happens to the geo, if I take a 120 mm fork? Fron ... Read More »

Karate Monkey with 120 mm fork = AM hardtail/trailbike?

29" allmountain hardtails/trailbikes are very popular here in germany this time. So I compared the geometry of a few allmountain 29" Hardtails and took the calculator… Karate Monkeys geometry is suspension corrected for 80 mm forks. So what happens to the geo, if I take a 120 mm fork? Fron ... Read More »

Front Suspension Fork for Karate Monkey?

Beginner thinking about changing the fork on the (29er) KM. At present, KM has only been used for street and groomed trail riding. Wanting to try my hand at learning to ride "real" off-road trails. Issues are as follows: (1) Current wheels (Sun Rhyno-Lite rims with Deore hubs) would require fr ... Read More »

***Paid Spam: Size XL Karate Monkey frame and fork...

Yes, I did indeed pay the $2 for my ad last night. I just wanted to give somebody a shot at getting into a 29"er frame for 1/3rd of the cost of a new frame. [URL="http://classifieds.mtbr.com/showproduct.php?product=82001&title=size-xl-surly-karate-monkey-frame-and-fork&cat=7"]Ad is here[/URL ... Read More »

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