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Mongoose Juneau Men and Womens Fat Tire Mountain Bike, 26x4-Inch Big Fat Wheels, 16-Speed Trigger Shifters, Adult Aluminum Mountain Frame, Blue

4.5 4.5 out of 5 stars 241 ratings

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Size Chart
US Fat Tire Mountain Bike
Brand SizeRider Height (in)Wheel Size (in)
One Size64 - 7426

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About this item

  • Fat tire bicycle is designed for versatile riding on all terrains, including sand and snow, its 26-inch wheels fit to riders 5'4 to 6'2 inches tall
  • With hydro-formed tubing, the aluminum mountain-style frame ensures a durable, responsive ride
  • 16-speed trigger shifters with a drivetrain offer swift and accurate gear changes for optimal performance
  • Ensure crisp stopping and precise speed control with the front and rear disc brakes, adding an extra layer of safety to your rides
  • 26x4 inch fat all-terrain tires mounted on 3 inch wide drilled alloy rims provide extra stability across all conditions

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$546.45
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From the manufacturer

Mongoose
Mongoose

GARAGE TO GLOBAL

Every good story starts with an idea. In 1974, Skip Hess had an idea for a cast-magnesium wheel durable enough for BMX riding. Over 45 years later, Mongoose is a globally recognized brand built on innovation. From BMX, to mountain bikes, scooters, and more, Mongoose delivers one of the best riding experiences out there. And it all started with a wheel in a Southern California garage.

Product Description

"Get the ultimate biking experience with the Juneau fat tire mountain bike by Mongoose. The Juneau features an aluminum mountain-style frame with hydro-formed tubing that provides a durable, responsive ride. 16 speed trigger shifters offer fast, precise gear changes, while the front and rear disc brakes deliver the all-condition stopping power you need. But the star of the show, of course, are those tires. 26x4 inch fat all-terrain tires on 3 inch wide drilled alloy rims provide extra stability in all conditions – including sand and snow. Don’t let anything stand in your way with the Mongoose Juneau. "

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Mongoose

Mongoose Juneau Men and Womens Fat Tire Mountain Bike, 26x4-Inch Big Fat Wheels, 16-Speed Trigger Shifters, Adult Aluminum Mountain Frame, Blue


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Customer reviews

4.5 out of 5 stars
4.5 out of 5
241 global ratings

Customers say

Customers like the shifting, weight and ease of assembly of the bicycle. For example, they mention it's a great bike, it rides and shifts great, it'll last forever and is significantly lighter than steel. Customers are also impresseded with the appearance. That said, opinions are mixed on fit, sturdiness, and comfort.

AI-generated from the text of customer reviews

27 customers mention23 positive4 negative

Customers like the appearance of the bicycle. They mention that it's a great bike, with a nice aluminum frame. Some say that it makes a good Ebike.

"...This is a good bike. It's quite light for a fat bike that cost me less than $500. The components are not great...." Read more

"...ride, precise shifting, plenty of low gears for snow or whatever, nice paint, good looking bike, feels very sturdy (+ very fast shipping)...." Read more

"...The color of this bike is absolutely vivid and beautiful. I have done some quick mods with stuff I already had on hand...." Read more

"...All other areas the bike is great, it is comfortable, feels sturdy, looks good, brakes work perfectly." Read more

18 customers mention13 positive5 negative

Customers find the bicycle easy to assemble. They mention that it comes 90% assembled, with good instructions. Some assembly is required for the seat and handle bars. Overall, most are satisfied with the ease of assembly.

"...The assembly is easy enough if you have some familiarity with bikes, though it's exasperating that they can't be bothered to match the instructions..." Read more

"...Wheels were true. Good instructions. You just attach handlebars, pedals and seat and you ready to go right out the box...." Read more

"Assembly was a bit tricky but since I have been working on bikes for 50 years it was not too bad...." Read more

"...is light, wide handle bars, great color (my opinion), easy to set up with basic tools, came faster then estimated, great platform to upgrade over..." Read more

18 customers mention16 positive2 negative

Customers like the value of the bicycle. For example, they mention it's good value for money and the best fat bike for the price.

"...Great bike for that price. Acceptable bike for a few hundred more. But at less than 500, this is a lot of bike...." Read more

"...Despite these issues, this bike seems pretty solid and a good value" Read more

"Excellent bike. Excellent price. Same bike goes for $1,900 in store." Read more

"...Great value for the money for a mid range priced fat bike." Read more

15 customers mention15 positive0 negative

Customers are satisfied with the shifting of the bicycle. They mention that it has a very smooth ride, with precise shifting and pedaling. Some say that the bike is easy to ride and smooth on the trails. Overall, most are happy with their purchase and recommend it to others.

"...But at less than 500, this is a lot of bike.The bike rides pretty well and I'm happy I bought it and would buy it again for that..." Read more

"...Pluses: Smooth ride, precise shifting, plenty of low gears for snow or whatever, nice paint, good looking bike, feels very sturdy..." Read more

"...i did not feel like i was on a bike but more like a harley. the ride was so smooth and the sound the tires made on the asphalt was awesome...." Read more

"...Its riding great and I'm Very happy with the purchase...." Read more

15 customers mention15 positive0 negative

Customers like the weight of the bicycle. They mention that it's quite light for a fat bike that cost them, and that the frame is nice and light. This makes the bike easy to transport. Customers also say that the bike is well made and durable, and they can feel the lightness and rigidness of the bike.

"...This is a good bike. It's quite light for a fat bike that cost me less than $500. The components are not great...." Read more

"...Light weight and the gearing makes it great for an older man like myself to peddle slow for climbing hills and maneuverability" Read more

"...aluminum frame is mongooses better T2 aluminum and you can feel the lightness and rigidness compared to my dolomite alx which has the standard..." Read more

"...Speaking of the frame, this bike is 6061 aluminum and very light, I couldn’t imagine a steel frame on this bike, it would weight a ton...." Read more

22 customers mention8 positive14 negative

Customers are mixed about the sturdiness of the bicycle. Some mention that it's pretty solid and a good value, while others say that they're disappointed in the component quality. Some say that the bike suffered a catastrophic failure and broke on the 3rd ride. They also mention that the brakes are somewhat weak and the pedals are cheap.

"...with this either, because those brakes feel like they could burn out and leave you helpless...." Read more

"...low gears for snow or whatever, nice paint, good looking bike, feels very sturdy (+ very fast shipping)...." Read more

"...usualyy stock tires are cheap and puncture easy but i will wear these out before i get better ones. the seat is very comfortable...." Read more

"...All other areas the bike is great, it is comfortable, feels sturdy, looks good, brakes work perfectly." Read more

17 customers mention6 positive11 negative

Customers have mixed opinions about the comfort of the bicycle. Some mention that it's well-balanced and comfortable, while others say that the seat is not comfortable for any duration, and the bike feels heavy and laborious to ride.

"...The seat is not comfortable. That will need to be upgraded. Luckily I have some lying around...." Read more

"...the seat is very comfortable. i always get a gel seat but this is pretty good. i love the grips...." Read more

"...Ditto for the grips. To me the bike feels super heavy and laborious to ride – but I'm comparing it to my carbon fiber MTB with 2-inch tires, so I..." Read more

"...I already ordered a new seat though cause this one is horribly uncomfortable for me. Everything was well greased up except the seat post...." Read more

13 customers mention9 positive4 negative

Customers are mixed about the fit of the bicycle. Some mention it's a great bike for anyone average size, with fat tires that come in handy. However, others say that it'd be too small for them, and not ideal for big and tall people. They also mention that the seat it comes with is very narrow and hard.

"...My back brake needed a quick alignment my rear derailer was adjusted well just needed the cable tensioned up a bit to hit the gears smoothly...." Read more

"...Everything was well greased up except the seat post. Brakes and gears were well adjusted right out the box and shifters work great...." Read more

"...Bike is not a sized bike like other bikes in it's price range. Stem is way to long for a shorter guys like me (5'7)...." Read more

"Big and lightweight. My new daily driver. Highly recommend" Read more

WORTHLESS WARRANTY!
1 Star
WORTHLESS WARRANTY!
I like the bike but Mongoose customer service and warranty are the worst. I had a problem with the freehub (part that makes the clicking sound you hear in the rear wheel) the freehub started making a loud noise and slipped every once in a while so I called Mongoose to get a replacement part/new freehub as the bike was only two months old at the time and under warranty, well long story short... Mongoose doesn't stock the freehub part and they told me they can't get one but they can replace the bike or I could take the bike to one of my local bike shops and have it repaired and they will reimburse me the cost to fix the bike minus any labor, what a joke.I called all my local bike shops within reasonable driving distance, and they all told me they don't carry this type of freehub because it is an outdated old style freehub from the 80's and a cheap China part, they all said modern bikes that they sell don't use this type of freehub and it would be next to impossible to find the part. That said... I did some research and went on amazon and eBay but couldn't find this type of freehub anywhere, there was one freehub that looked similar to mine but you had to order from China and it may not be the right one anyway, so there is no way for me or the bike shops to get one, how could we get one if the manufacturer/Mongoose can't get one?Well this leaves me with the option of returning my bike for a new one which I shouldn't have to do, I told mongoose if you are willing to replace the whole bike then why don't you just take the back wheel assembly off the bike you are willing to send me, send it to me and I will send you back my broken back wheel, PROBLEM SOLVED, no they can't do that, WHAT A JOKE.I told Mongoose I shouldn't have to send my bike back to you because you don't stock parts for your bikes under warranty, I have installed many upgraded parts on the bike and I shouldn't have to disassemble the whole bike and make it stock again because you guys cannot honor your warranty and send me a $25 part, I would have to take apart the whole bike and remove my upgraded parts which include: new...tires, larger disc brake rotors (front and rear) original rear brake rotor was warped out of the box, hydraulic brake system (front and rear) suspension seat post and new seat, front suspension fork, grips, crank gear (original one came bent out of the box) Cateye odometer, decals on the frame, new pedals and fenders, Like I said I shouldn't have to disassemble my bike and make it stock again because Mongoose doesn't carry/stock parts for their bikes under warranty.I also sent Mongoose pics of the part I needed when I first called them to make sure they get me the right part, they said they had the part in stock so I told them to make sure it's the right part before you ship it out to me, so the lady I spoke with told me she was going to double check and show my pics of the freehub part to one of their tech guys to confirm it is the right part before she ships it out, so I waited on the phone for a few minutes and she came back and said... yep it's the right part you need, well when I received the part I started laughing because she sent me the wrong part, she sent me the cassette gears on the rear wheel, I don't know how anyone can make that mistake with a pic of the part in their hand, this more than proves that they literally know nothing about the bikes they are selling and this is not the first time this has happened, my brother needed parts from Mongoose once and he also sent them pics of the part he needed and they sent him the wrong parts as well, after reading some of the other reviews on here it looks like this is a common problem, Mongoose needs to hire people with better technical knowledge of bikes.Bottom line... I shouldn't have to ship my bike back to Mongoose (and have to remove all my upgraded and personalized parts) because they don't stock parts for their bikes under warranty, all I need is a $25 freehub part to be replaced, (THAT MONGOOSE AND NOBODY CAN GET) if you bought a new car and the battery went dead you don't replace the car they replace the battery. I really don't want to take a chance on getting another broken bike from Mongoose because every bike me, my family and friends bought from Mongoose had something wrong with it as did the many people who bought this bike here as per reviews, I just want to fix the bike I have. SHAME ON MONGOOSE FOR NOT HONORING THEIR WARRANTY AND FOR NOT STOCKING PARTS FOR THEIR CUSTOMERS WHEN THEY NEED THEM TO FIX THEIR BIKES UNDER WARRANTY. First pic is of the back wheel so you can see the part I need replaced in the center of the wheel. (FREEHUB) Second pic is of the bike with the many upgraded parts.
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5.0 out of 5 stars Excellent fat bike
Reviewed in the United States on December 24, 2022
I really like this fat bike. I don’t like the saddle. I don’t like that it does not have a kickstand, but I’m an older guy anyhow. It appears that it will require an aftermarket rear mounted kickstand. The color of this bike is absolutely vivid and beautiful. I have done some quick mods with stuff I already had on hand. I will be getting a suspension seat post and more better saddle, for sure! And I absolutely do not like the brake levers. They are too hard to reach and it’s an irritating situation.

It is such an absolute shame that some people have had bad luck with their bikes when they first receive them! Of course, human error must be taken into consideration with some of these problems.

My bike came to me with no damage or installation issues. I put it together without any difficulty or unforeseen dilemmas. It is such an amazing bike and I am so grateful to have purchased it at 46% off of list price! Although I have been watching this bike for over three years, waiting for just the right time to buy! And yes, pacific cycle can be quite aggravating when it comes to service! But I am a very satisfied customer as far as this bike is concerned!
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3 people found this helpful
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Top reviews from other countries

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JHH
5.0 out of 5 stars Meets my expectations
Reviewed in Canada on February 3, 2022
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JHH
5.0 out of 5 stars Meets my expectations
Reviewed in Canada on February 3, 2022
So fat, that's a keeper.
Took 2 weeks and a half from purchase to delivery.
The bike requires an hour of work in order to be ready to ride. Here is what I had to perform:
- The handlebar must be put in place, and the stem needs tightening, all brakes and shifters are already on the handlebar installed correctly.
- The front wheel has to be installed.
- Front derailleur was simply not adjusted at all. Had to set this.
- Pedals must be installed on crank arms.
- Install seat and post.
- Inflate tires.
- Put on front and rear reflectors
That's it! Good to go!
Rides super easy. Weight is ok for an aluminum frame fatbike.
I'm really happy with the gear ratio. There is plenty of low gears to slowly climb very steep slopes, so I will not need to change cassette and chainrings.
The only I'll keep an eye on, as I tried it today, the tire treads grip on soft snow is less than perfect. It doesn't take much to start loosing traction and slip. We'll see if a more agressive rear tire will be necessary.
Overall, great deal.
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Andrew Thompson
5.0 out of 5 stars Great bike for the price
Reviewed in Canada on September 15, 2022
C Lachance
4.0 out of 5 stars Satisfaisant pour le prix
Reviewed in Canada on March 23, 2022