Trek Fuel EX 8 All Mountain Full Suspension


  • Average Rating: 4.6/5
  • MSRP: $ 2629.99
  • # of Reviews: 144

Product Description

From race day to all day, you need a trail bike that's light and agile, yet commanding and capable. The Fuel EX is the do-it-all trail machine you can count on time and again.
  • Frame: Alpha Platinum Aluminum w/ABP Convert, Full Floater, E2 tapered head tube, internal front derailleur cable routing, magnesium EVO Link, replaceable derailleur hanger, 120mm travel
  • Fox DRCV fork w/E2 tapered steerer
  • Shimano XT rear derailleur & SLX shifters
  • Shimano SLX hydraulic disc brakes


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Reviews 1 - 15 (144 Reviews Total) | Next 15

User Reviews

Overall Rating:4
Value Rating:5
Submitted by Bblevins a Weekend Warrior from Lyman, sc, USA

Date Reviewed: December 12, 2011

Strengths:    Every component on this bike seems to work great. Suspension must be designed by Cadillac , very smooth and hooks up well...

Weaknesses:    Drivetrain can be noisy at times but is something all bikes have to deal with. Chaffing with the cables and the frame could be an easy fix from Trek...

Bottom Line:   
One really awesome bike....Great buy and highly recommended.....

Expand full review >>

Favorite Trail:   Paris Mountain trail system

Duration Product Used:   3 months

Price Paid:    $1600.00

Purchased At:   Ebay

Bike Setup:   Stock


Overall Rating:5
Value Rating:5
Submitted by Reggie a Weekend Warrior from STL

Date Reviewed: December 8, 2011

Strengths:    Value per dollar. Suspension is damn near perfect, especially rear. Brakes work even better than I thought they would. Looks awesome. Lighter than my hardtail.

Weaknesses:    XR3 Tires aren't the best griping but roll really well. Just got some xr4's to replace them. SLX 3X10 drivetrain noisy. Fugly stock saddle.

Bottom Line:   
Damn near perfect.

Expand full review >>

Favorite Trail:   Chubb Trail

Duration Product Used:   3 months

Price Paid:    $1900.00

Purchased At:   Momentum Cycles

Bike Setup:   stock with Wellgo mg-1's, xr4 tires, rocket v saddle, crosstrails


Overall Rating:5
Value Rating:5
Submitted by SoFlaBiker a Weekend Warrior from Boynton Beach, Florida

Date Reviewed: December 1, 2011

Strengths:    Great frame, geometry, handles great

Weaknesses:    Tires are my only complaint. Will probably upgrade to Kenda or WTB.

Bottom Line:   
This is an upgrade from the Gary Fisher hardtail I purchased 3yrs ago. Back them I was just starting out in mountain biking and had no idea what I was embarking on ! Thankfully I learned alot on that old hardtail, it taught me to become a better rider and I am thankful for it so I gave the frame to my nephew and with my sister's boyfriend we will rebuild it and introduce a young rider to the great world of mountain biking! Back on the subject of the Trek Fuel EX 8 2011 model, its "Freaken Awesome"! I have demo'd full suspension bikes from Trek and Giant both are great bikes but the Trek just fit my style of riding better, which is a little on the aggressive side. I picked up the bike on Tuesday and went on Wed after I got my pedals, shoes & helmet I ordered on line. I was hesitant to push the bike in the beginning but after and hour of riding I became more comfortable and started pushing myself on the bike and it handled great ! This is a perfect bike for anyone wanting to step up from a hardtail, components can be upgraded in time so the bike wont be outdated after a year of riding it. No regrets at all with my purchase.

Expand full review >>

Favorite Trail:   Markham Park

Duration Product Used:   Less than 1 month

Price Paid:    $2100.00

Purchased At:   Bike America

Similar Products Used:   Gary Fisher hard tail.

Bike Setup:   Stock for now until I decide what I want to adjust or change, shimano M520 MTB SPD pedals on it .


Overall Rating:5
Value Rating:5
Submitted by gerardo a Cross Country Rider from El Salvador

Date Reviewed: November 27, 2011

Strengths:    Great suspension, relaible , it gives you confidence. A well balanced bike. Beautiful trail bike and all around bike..

Weaknesses:    heavy ex 8 28.7 pounds

Bottom Line:   
This is a good trailbike . I had the genius 20 150 travel and this baby feels sweeter with half the value and almost the same weight (2 pounds more), It even climbs better.
I´m used to lighter bikes (xc) and prefer to used this one than the rest.
I bought this one just to try it out and I´m extremly pleased. In looking foward to get the top end carbon . Hope the ride is as sweet as this one and the climb faster.
Get it you´ll love it.

Expand full review >>

Favorite Trail:   Bikecenter

Duration Product Used:   3 months

Price Paid:    $2300.00

Similar Products Used:   scott spark 20, scott genius 20, anthem x sl1 . gaint nrs air, and alot of hardtails mostly carbon.

Bike Setup:   stock


Overall Rating:5
Value Rating:4
Submitted by TWOWHEELS2011 a Weekend Warrior from Canada

Date Reviewed: October 30, 2011

Strengths:    Sturdy frames that come in plenty of sizes, high end fox suspension, sturdy components and light weight and fast.

Weaknesses:    Stock tires; and brakes are noisy sometimes, rotars warp esily and the seat rips easily.

Bottom Line:   
This is for the 2011 model.
Great bike! With so many frame sizes it is easy to find the one that fits properly. The DRCV shock is awsome and abp is great. The fox forks are incredible, on the trail I ride it isn't uncommon for me to come down a steep hill and hit a rock garden, the forks on my other bikes can't hold up to it and I end up almost crashing, but with the fox forks the bike just keeps rolling.
With propedal on there is no pedal bob and it is great for getting some extra speed.
Components are great. When I took my wolverine on the same trail the rear derailleur kept breaking and the rear wheel broke and I've gone through a couple of chains on it. With the Trek everything works as it should and I have no issues (except a broken chain and a flat, but hey). It climbs like a mountain goat. There is no hill this sucker can't go up. Even when the front wheel comes up I can usually keep climbing once it settles back down. It shifts well and I have never had any problems with the chain dropping. With the 3 x 10 this bike is fast and stock with some pedals it is about 30lbs, maybe just under (I can't remember). The brakes are mega powerful and they work so well, I've almost sent myself over the handlebars a few times underestamating their power.

The stock tires suck!!! When the trail was even slightly damp I would be sliding all over the place, front and back tires, plus the rear wheel would spin on rocks while trying to climb. I got a flat going over a rock that wasn't even sharp and I had about 50psi in it(or there abouts). Swap that tire to a cheapy Kenda tire and no more flats. Chain also broke for no good reason, but it's been fixed and so far so good.
When the bike is new the brakes are noisy, but usually it gets worked out, however, when the brakes are wet they get noisy, no working this out. Brake rotars warp really easy, both my rotars are warped already.
Got it home from the store after buying it, took it out of the truck and noticed the seat was allready torn. Not a big deal as I wasn't going to use the stock seat, but seriously, it shouldn't rip that fast!

If you want to get into some serious mountain biking, but you don't want to hack off and arm and a leg to get a good bike, this is the bike for you. I consider it more of a burlier xc bike than a toned down dh bike so if you want to hit some small jumps, bomb down hill and fly uphill this bike is the right tool for the job.

Overall this is a fantastic bike. The only things that need to be changed from stock are the tires (and you can probably get away with only the rear tire). It is light, fast and responsive! It is a great confidence booster. Clipless pedals go a long way on this bike, it'll go through anything, but not if your feet arn't on your pedals. I think an adjustable seat post would make it perfect, but I suppose that depends more on the trail you ride.

Expand full review >>

Favorite Trail:   Mary's Ville Trail

Duration Product Used:   3 months

Price Paid:    $2100.00

Purchased At:   Radical Edge

Similar Products Used:   Giant rincon; Norco Wolverine.
and countless other hardtail bikes


Bike Setup:   Stock with clipless pedals and a cheap kenda rear tire.


Overall Rating:5
Value Rating:5
Submitted by Cas a Weekend Warrior from Brisbane, QLD, Aus

Date Reviewed: August 5, 2011

Strengths:    Excelent suspension, handles well, stiff frame, NOT FLIMSY as i thought it would be, DRCV is insane, ABP is excelent

Weaknesses:    Rear Brake makes a little sound, well worth putting up with tho

Bottom Line:   
Very good bike, worth every penny. Inflate rear suspenion about 20PSI above recomended pressure if your trailing it rough, SUPER STRONG BRAKES< ONE FINGER ONLY!!!!

Expand full review >>

Favorite Trail:   Gap Creek, Pipeline

Duration Product Used:   3 months

Price Paid:    $2000.00

Purchased At:   Tc's Bike Barr

Similar Products Used:   Avanti Escape 2007, (Hardtails)

Bike Setup:   Stock with Cleats and Clipless Pedals.


Overall Rating:5
Value Rating:5
Submitted by SlackRider a Cross Country Rider from SF Bay Area

Date Reviewed: July 30, 2011

Strengths:    Fantastic suspension. Active Braking Pivot is brilliant. 3x10 drivetrain makes -very- steep hills manageable. Climbs beautifully - as well as a hard tail, minimal pedal bob - with pro-pedal switched on for rear suspension. Excellent handling/maneuvering on the front end.

Weaknesses:    Chain prone to dropping when downshifting on front gears, when rear is set to biggest chain wheel. Stock Bontrager tires slide around on anything but firm & dry terrain. Yeah the stock saddle is rough but I don't care much; I got used to it.

Bottom Line:   
I graduated to this after a couple thousand off road miles on a Trek 4300 hardtail. I ride a mix of cross country to moderately, occasionally very, technical single track. The downhill capability of the Fuel EX8 blew me away from day 1 -- and once I figured out how to set my body to climb on it, it's gone up 8-10% grades beautifully. I get no pedal bob or sag while sitting with the front suspension locked out & propedal on, and essentially no bob while standing.

The ABP on the rear suspension is a huge feature. Asking myself if I want full engagement of my rear shock, or full power in my rear brake, is not a choice I want to make on sharp turns with sheer sandstone steps in front of me. With the ABP there are no compromises. It handles tough downhill to me indistinguishably from a Pivot Mach 5, and costs about half as much.

The other thing that continues to impress me after a couple months is the precision of maneuverability on the front. The phrase "point and shoot" is kind of just a marketing slogan, but I am very confident this thing will go where I want it to on tight turns. It's light up there, but the tapered head tube gives me a lot of confidence in its stability.

I tried the stock Bonty tires for a month and they are a no-go, rear wheel slid around in sand, felt like I would lose it a few times (never did though). Put on some bigger, grippier maxxis tires and problem solved.

Big thing to watch out for -- when climbing steeply, it's not uncommon to drop the chain when I downshift on the front gears, when the rear gears are on the biggest wheels. The workaround is to downshift upfront first, then downshift in the back. Not elegant, but tolerable. Asked my LBS guy, great guy who takes good care of my bike, about this. He owns the same model except upgraded to shimano XTR. I asked if upgrading the derailleurs or drivetrain would help and he thought not -- he has the same issue and thought it was that the lowest rear gears were so big (handy for tough climbs) that there was extreme tension upfront, just a bit too much for it to handle sometimes.

On the issue of components -- people definitely key on the shimano SLX setup as a problem for quality per dollar in the Fuel EX8, as that is not a high end component set. With the above exception I have found them very reliable and able to handle fast shifting under high tension. And like I said, LBS guy declined to push big upgrades on me here...indicating that the SLX vs. XT or XTR or whatever is not the issue. Yeah, I'd lose a quarter pound in weight with that upgrade, but not gain much performance. At present that's not worth a few hundred $$ to me. Maybe one day. Right now, the components do not limit me at all.

On the weight in general -- it's pretty much a push on this (aluminum) model. Not much lighter than my entry level hard tail, but the rear suspension equipment & expanded gearing add a fair bit. That's acceptable given the riding I want to do.

I've heard this described as a good bike for getting into serious riding. For me, $2k+ is a big investment in a bike, and I ride 2k miles a year off road. This one has been well worth it - it lets me master trails I tiptoed over on my 4300, and lets me take trails & conditions I wouldn't even try on that one.

Expand full review >>

Favorite Trail:   Mt Diablo foothills

Duration Product Used:   3 months

Price Paid:    $2400.00

Purchased At:   LBS

Similar Products Used:   Trek 4300

Bike Setup:   Stock + shimano XT diore pedals, Maxxis ardent (R)/aspen (F) tires


Overall Rating:5
Value Rating:5
Submitted by Spencerstutzman a Downhiller from Eastlake, CA, USA

Date Reviewed: July 23, 2011

Strengths:    Great suspension, smooth, excellent deraileur

Weaknesses:    Weak frame/rear triange. Cracked the rear triangle after i jumped it 4 to 5 feet. Only has a two year warranty

Bottom Line:   
Great bike, but don't be surprised if you're frame or rear triangle cracks. I'm currently buying a rear triangle from someone who cased the front triangle. Other than that, the bike is liquid smooth and lightning fast.

Expand full review >>

Favorite Trail:   Any

Duration Product Used:   More than 3 years

Price Paid:    $600.00

Purchased At:   Craigslist

Similar Products Used:   GT LTS-5, Schwinn, Iron Horse, Trek

Bike Setup:   raceface headset, easton stem and seatpost, eggbeater pedals


Overall Rating:5
Value Rating:4
Submitted by critterstalker a Weekend Warrior from Mcdonough, Ga ,USA

Date Reviewed: July 2, 2011

Strengths:    Well balanced when set up properly , stiff frame , great suspension , good components , comfortable , awesome front end feedback ,stable on climbs , all around responsive !!

Weaknesses:    noisy , but well worth dealing with

Bottom Line:   
I spent several months shopping for a FS bike . It's a big investment for me . We shopped Specialized , Giant , Gt and others at out LBS. In the end customer service and Reviews swayed me to the Trek . From the first trail ride I was in impressed , this bike makes me want to ride harder and farther. It eats up singletrack and has me climbing rock gardens with no hesitation. not one single problem with it as it came . I even take it to the local BMX track and ride , hitting a few small jumps. With my lower back issues FS was a must , I don't regret it at all . This bike is Great! Ohhh and the pro pedal option is great for the hills.


Expand full review >>

Favorite Trail:   Dauset Trails

Duration Product Used:   3 months

Price Paid:    $2500.00

Purchased At:   Atlanta Trek

Similar Products Used:   none

Bike Setup:   stock


Overall Rating:5
Value Rating:5
Submitted by Nick a Downhiller from Wellington, NZ

Date Reviewed: June 8, 2011

Strengths:    Pedaling platform efficiency, heavy corner handling, setup flexibility. General hooligan nature when pushed.

Weaknesses:    The rubbish blue color haha

Bottom Line:   
The thing so far has been a very impressive all round trail beast. My build is a bit beefier than the average as I am a downhill/BMX rider and have a tendency to treat the gear a bit harder than the average trail rider. I took a stock EX5 frame with mag rockers and RP2 and built it around my preferred parts. I know the wheels very stiff ride quality will accentuate but also harm the point and shoot nature of the frame by making it tramline at times but after one ride on some flappy stock rubbish I had to change them. The result is a tight handling 29lb bike which feels very solid. It climbs amazingly with the forks at 95mm or 140mm which is a testament to the geometry being super flexible. Descending is a hoot, I'm used to having 7" to 9" travel in the rear so this frame being short travel but holding a bottomless feel is phenomenal. It rips the roughest trail, holds its line, tears jumps and drops like a demon and even gets playful when the berm isn't enough and you want to flick it up the bank to wallride it. I can ride all day and still want more, throw it down rough stuff without worrying about it bending, cruise flowy stuff and hammer xc trails. So far I'm Uber impressed. We will need to see how it takes the abuse long term, but with a lifetime warrantee on the mainframe I don't care. I'll just ride the new one too if it breaks rather than replace it. Build it light or a bit heavier for some playful hooliganism. Well worth the time and cash. :)

Expand full review >>

Duration Product Used:   Less than 1 month

Similar Products Used:   Specialized SX 4X, Kona Dawg Deluxe, Marin Mount vision, Turner 5 spot

Bike Setup:   Custom, bare frame build: Pike 454 coil U-turn, XTR 2X9 drivetrain, Avid Code/Elixir, Mavic Crossmax SX,


Overall Rating:5
Value Rating:5
Submitted by DizzyD a Cross Country Rider from Chazy, NY

Date Reviewed: June 4, 2011

Strengths:    Strength of frame, cornering, pedaling efficiency, component matching

Weaknesses:    rear skewer need to be really tight to prevent squeaking

Bottom Line:   
This bike has been great from the day I bought it. I replaced the wheels, just for the fun of it. I have ridden and raced for over 14 years and never had as much fun on one bike for as long as I have on this one. I took this bike through Schofield pass from MArble to Crested Butte last year and did a couple rides in Cb while I was there, I did several multiday rides in The Pisgah Ranger District and it never held me back or gave me any sense of performance limitation. The travel activation and adjustment give it a clean response over all types of terrain from long waterbar descents and all mountain descents to fast smooth slalom style trails. Short of a DH or DJ rig this bike will do anything you ask it and do it well.

Expand full review >>

Favorite Trail:   Over the Mountain Victory Trail, NC

Duration Product Used:   1 Year

Price Paid:    $2800.00

Purchased At:   Bike Chain Chapel Hi

Similar Products Used:   Specialized FSR, Specialized Enduro, Stumpjumper, Intense Uzzi DH, Cannondale R1000

Bike Setup:   Stock with platform pedals and a set of Mavic Crossmax wheels.


Overall Rating:4
Value Rating:3
Submitted by jeremy a Weekend Warrior from providence ri

Date Reviewed: May 26, 2011

Strengths:    unbelieveable control on downhill. excellent fox shox front and rear. no pedal bob on climbs even with propedal off.

Weaknesses:    feels heavy when u pick it up but you dont notice this when u are riding. it feels smooth. comfortable and nimble on the trail.

Bottom Line:   
this is my first full suspension but i did my homework as u should, before dropping 2600 bucks on a bike. i have ridden it for about 8 months now and it is night and day over my last hardtail bike. would recommend it to anyone. with hydraulic discs, alum frame, fox front and rear shox, and slx components..it is hard to beat, dont hesitate to buy this ride!

Expand full review >>

Favorite Trail:   big river

Duration Product Used:   6 months

Price Paid:    $2600.00

Purchased At:   east providence cycl

Similar Products Used:   trek hardtail

Bike Setup:   stock


Overall Rating:5
Value Rating:5
Submitted by chris m a Cross Country Rider from carlisle pa

Date Reviewed: May 16, 2011

Strengths:    I'm a new rider just getting into the sport, n all I can say is wow! I was a bit learn @ first about spending this much on a first real bike but I have absolutely zero regrets. This bike is great all around, even though I did change out tires, grips, other small things right off the bat. This bike does it all ! Rocks, mud, climbs, downhill. I have yet to feel uncomfortable riding any terrain I've encountered in pa

Weaknesses:    Stock tires are soooooo slippery and quickly lose grip in anything loose or wet, paint scratches easily, and I got two flats in one week supposedly caused by the stock vinyl rimstrip.

Bottom Line:   
Worth every penny! Suspension, drivetrain, handling all work flawlessly. Have test ridden many other bikes including stumpjumper fsr, older jeckyl,, fisher hifi, and a giant, but would deff buy this bike if I had to choose again!

Expand full review >>

Favorite Trail:   many

Duration Product Used:   3 months

Price Paid:    $2499.00

Purchased At:   holmes cycle and fit

Similar Products Used:   Cheap mongoose xr250

Bike Setup:   Stock, plus clipless pedals, wtb dissent 2.3 tires, odi grips


Overall Rating:4
Value Rating:4
Submitted by gtxcr2000 a Weekend Warrior from Powell River, BC Canada

Date Reviewed: May 16, 2011

Strengths:    Wow, ultra smooth and quick. Desends like a demon, and climbs well. Lighter (Frame and Shock) than SC Blur LT and 400 bucks cheaper.

Weaknesses:    Stock Tires
Handlebar width just over 28.5"
Cranks are NOT XT as shown in the Trek Website. Was hoping for better components at this price point.


Bottom Line:   
I was sad the day I had to give up my old GT I drive, she was a great bike with lots of bling (CC headsets, upgraded XT drive train, yadda, yadda).

All was forgotten on the first 25km riding my new EX8. I love this bike. The Fox shocks work amazingly. Climbs way easier than any other bike I have tested or tried (other than the obvious carbon 4" race bikes). Descending is awesome and guaranteed to make you smile all the way down. This bike actually did increase my overall average trail speed. Setup was cool, clips for the sag, and a pump compliments of Trek, nice touch.

I didn't care about the ABP, and didn’t buy the bike for it, but I did notice a difference, this bike does not skid on descents. Y'know those slow rocky, bouncy descents that make you touch your seat to your chest. I can't describe it, but delighted at the effect.

If you are looking for a bike that inspires you to ride further and faster than before, this is it. I can’t wait to ride some more.

Expand full review >>

Favorite Trail:   Sat Night Lake, Jasper.

Duration Product Used:   Less than 1 month

Price Paid:    $2550.00

Purchased At:   Suncoast Cycles.

Similar Products Used:   GT iDrive

Bike Setup:   Stock, except Michelin's wild Race R tires.


Overall Rating:5
Value Rating:5
Submitted by TeamTM a Cross Country Rider from Albuquerque, NM

Date Reviewed: April 4, 2011

Strengths:    Great bike all around. I love the suspension. Rides like a Cadilac.

Weaknesses:    Like everyone else, the tires and grips suck. Replaced them within a month.

Bottom Line:   
Best bike I could find in the price range. Very happy overall. It with stood a wreck without a scrath. I myself broke 3 ribs. Brakes and suspension work great.

Expand full review >>

Favorite Trail:   Otero

Duration Product Used:   6 months

Price Paid:    $2300.00

Purchased At:   Trek Super Store




Reviews 1 - 15 (144 Reviews Total) | Next 15

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

First ride on new 2011 Fuel EX 8

Took my new ride out yesterday for the first time. It really handles much better through turns than my Liquid 55 did. Bike climbs better. I also switched to clipless pedals. I pick   Read More »

Trek Fuel Ex 8 vs. Fuji reveal 2.0 vs. Trek Fuel Ex 6

I could buy a gently used Trek Fuel Ex 8 for $1650, a NEW trek Fuel Ex 6 for $1700 or i could buy a Fuji Reveal 2.0 online for $1,150 and i'm basically torn between the three. :mad   Read More »

2007 trek fuel ex 8

i found a frame on Craigslist the other day, its a 2007 trek fuel ex 8, he is asking $300. i did some digging on the interwebs and it seems to be a great bike with many good review   Read More »

Trek Fuel Ex 8 Any good of a bike? Need some Input.

Hello everyone. So a buddy of mind is looking to trade me his 2010 Trek Fuel EX 8 for my Yeti ASX since his looking for a DH and im looking for more of a XC bike. Any who Im not fa   Read More »

Trek Remedy to replace Fuel EX 8 and DH rig?

Considering selling my '11 Fuel EX 8 and '07 Big Hit III and buying a Remedy 7, 8, or 9. I ride my Fuel 90% of the time and then occasionally shuttle a trail or two that are a    Read More »

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