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The Mongoose Malus Fat Tire Mountain Bike features 26-inch wheels paired with 4-inch wide knobby tires for superior traction across diverse terrains. Its durable steel frame and alloy rims ensure long-lasting performance, while the 7-speed Shimano drivetrain offers smooth gear changes. Equipped with front and rear disc brakes, this bike delivers reliable stopping power, making it a versatile and stylish choice for riders between 5'4" and 6'2" seeking adventure and control on every ride.



















| ASIN | B086ZHRVDT |
| Additional Features | fat tire, mountain bike |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #171,762 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #50 in Mountain Bikes |
| Bicycle Drivetrain Type | Derailleur |
| Bicycle Gear Shifter Type | Trigger |
| Bike Type | Mountain Bike |
| Brake Style | Disc |
| Brand | Mongoose |
| Brand Name | Mongoose |
| Color | Matte Black |
| Customer Reviews | 4.4 out of 5 stars 1,515 Reviews |
| Derailleur Configuration | Rear |
| Frame Material Type | Alloy Steel |
| Included Components | Bike |
| Is Assembly Required | Yes |
| Is Autographed | No |
| Item Type Name | Fat Tire Bike |
| Item Weight | 42.9 Pounds |
| Manufacturer | Pacific Cycle, Inc. |
| Minimum User Height | 64 Inches |
| Model Name | Mongoose malus |
| Model Number | R5714C |
| Number Of Speeds | 7 |
| Number of Handles | 2 |
| Number of Speeds | 7 |
| Power Source | Pedal power |
| Size | 18-Inch Frame |
| Specific Uses For Product | Trail |
| Style Name | Mountain |
| Suspension Type | Rigid |
| UPC | 038675200722 |
| Warranty Description | Limited Lifetime |
| Warranty Type | Limited |
| Wheel Material | Alloy |
| Wheel Size | 26 Inches |
B**N
The best bike I've had
I've been riding my Mongoose Malus Fat Tire Mountain Bike since September 2021, and it has been an absolute game-changer for my outdoor adventures! 🚵♂️ Durability and Build Quality: The bike's robust frame and high-quality components have withstood all kinds of terrain, from rocky trails to sandy beaches. It feels incredibly sturdy and reliable, giving me confidence on every ride. Fat Tires: The fat tires are a standout feature. They provide excellent traction and stability, making it easy to tackle challenging surfaces like snow, mud, and loose gravel. Plus, the ride is surprisingly smooth, even on rough paths. Comfort: The ergonomic design and comfortable saddle make long rides enjoyable. I appreciate the thoughtful design that minimizes fatigue, allowing me to ride longer without discomfort. Performance: The bike's performance has been consistently impressive. The gears shift smoothly, and the brakes are responsive and reliable. Whether I'm climbing steep hills or cruising on flat trails, the Mongoose Malus handles it all with ease. Aesthetics: On top of its performance, the bike looks fantastic. The sleek design and bold colors always turn heads and earn compliments from fellow riders. Overall, the Mongoose Malus Fat Tire Mountain Bike has exceeded my expectations in every way. It's a versatile, durable, and stylish bike that's perfect for anyone looking to explore the great outdoors. Highly recommended!
W**Y
Fat Tire bike for less than $250? "add to cart..."
Simply put, this is a fantastic fat tire bike for the incredible price of less than $250. I've already put in over 60 miles in the last couple of weeks, and it's just a joy to ride. I was pleasantly surprised at the power/torque this bike has when tackling hills. I was a bit worried about how it would handle steep inclines given its weight, but man... the first steep elevated trail bridge I climbed, I easily outpaced others who were riding multi-geared road bikes. This puppy can also easily take off from a standstill with little effort. I was originally looking for a bike with a smooth ride for suburban/trail biking, and this has proven to be exactly what I wanted. This is by far the least expensive bike I've ever purchased, but it's also the MOST FUN I've ever ridden! I'm sure the $2,000 - $6,000 fat tire bikes would smoke this in a heartbeat, but seriously... for under $250, this thing over-delivers! Rides really well on paved and gravel paths. Plus, it's always a hoot to hear the various comments from others who've never seen a fat tire bike before! Is it perfect? No. The one thing I would recommend that everyone upgrades immediately is the seat. I know that bike seat comfort is highly personal and subjective, but I found the factory seat to just be rock hard and uncomfortable for any ride over a few miles. So for another small investment of $45 for a quality seat, I'm sitting comfortably at 20+ mile rides with no complaints. Pros: - Low cost but solid quality - FUN to ride. There's nothing like fat tire biking. - Nice power/torque. Easy hill climbing and quick take offs. - Fairly easy to assemble. Cons: - Factory seat is a bit hard. Recommend replacing ASAP. - Mine was missing a nut for the front tire assembly... minor inconvenience though. Summary: - Looking for an intro to fat tire biking? BUY THIS. You won't regret it.
A**R
A Solid Entry-Level Fat Tire Bike For The Average Joe
This bike really surpassed my expectations. I based my purchase off of other reviews found here on Amazon and thought, well this bike should be OK and expected there to be things that I would simply have to deal with since it was an entry-level priced Fat Tire Bike. However, it worked perfectly right out of the box. Now I did do some minor customizations to suit my preferences, but they honestly weren't needed. Those changes were that I replaced the stock seat with a larger more comfortable one. The stock one is of pretty high quality. It's just a bit small and hard like all of the other stock bike seats out there. I swapped out the straight mountain bike style handlebars for custom cruiser handlebars to allow for a more erect sitting position. In changing out the handlebars I found that unless you have immense patience and perseverance then it's easier to simply replace the stock handgrips with new ones. I chose comfort grip handgrips that help alleviate hand fatigue or carpal tunnel syndrome. They worked perfectly. One thing to note here is that I didn't need to change out the shifter lines or brake lines at all like others said when they modified their bikes. I found that simply rerouting the cables slightly left ample line length on them to reach the new handlebars. Before you ride I suggest using some Light Spray Oil On the chain and other moving surfaces. Except for the brakes of course. I also suggest pumping up the tires to the maximum pressure listed on the sidewall if you happen to be riding on paved roads or happen to be a person like me who weighs over 200 pounds because the tires do have a lot of flex at lower pressures and will bottom out on the rim at lower pressures with riders weighing above 200 pounds. The gears do shift really smoothly. However, I will admit that having only 7 speeds is taking some getting used to, but for the average person who goes off road only occasionally, seven speeds are enough. It also does not feel like it's a heavy bike at all. It's obviously a bit heavier than my Schwinn aluminum frame mountain bike, but that is a serious off-road mountain bike. I bought the Mongoose Malus for cruising parks, boardwalks, and my neighborhood. That is where this bike seems to shine because it is really comfortable and an uncomplicated ride. If you're looking to get onto a Fat Tire bike to see if you like it but don't want to break the bank then I can comfortably say that the Mongoose Men's Malus Cruiser Bike is a fine way to do that. If you're a professional bike rider looking for some fat tire powerhouse bike to storm through incredible terrain then you certainly won't be interested in this bike, but then again hardcore bikers looking for specific name brand bikes probably aren't shopping for their bikes on Amazon anyway. Take this review for what it is. One person's opinion of a bike that they like for what it is... A solid entry-level Fat Tire Bike for the Average Joe. Peace.
I**T
Fat guy approved
I'm on the wrong side 50, a tad under 6 foot, and 310 lbs. Knee, shoulder, and foot issues prevent me from walking, lifting, or even working a heavy bag. So I bough the Mongoose Malus as a way to exercise. What others say is true - it's a basic bike that you'll have to replace parts on. The good news is that the replacements are easy and far cheaper than stepping up to a more expensive bikes. True, it is heavy, but if you're just trying to make it around the neighborhood for a couple of laps a day for the purpose of exercise, then that's actually a good thing. Parts you HAVE to replace: Seat - I went with the Sunlite Cloud-9 Bicycle Suspension Cruiser Saddle, Cruiser Gel, Tri-color Black Brakes - I used shimano brakes and the difference is night and day - I believe its because the stock brakes are so bad. They do not stop you quickly at all. They don't lock up the rotor. Shimano M375s Shifter - Like many, I thought - no big deal, I'll just avoid hitting it. I have larger than normal hands and the shifter takes up half the handlebar - so I upgraded to a shimano SL-M315-8R. Amazing upgrade. Pedals - there wasn't anything horribly wrong with the stock ones, but they were polymer and while the bike is rated for 350, I just didn't trust them to support my full weight if I get up on the pedals. Replaced with PD-EF205 I replaced some other stuff, but I wouldn't say it's required. The seat and shifter are ease of use issues, the brakes and pedals were potential safety problems. The replacement of all parts are easy. If you can assemble furniture, you can replace bike parts. It's 3 metric allens, a driver, a screw driver, and you will need some snips or something that can cut through wire - you have to cut through the wire on the stock brake and shifter assemblies to remove them - and that's fine. A pair of side cutters will work well. If you're fat and looking for a dependable cruiser you can't break - that's what I bought it for and so far this month I've got close to 95k on it, no issues.
W**S
Good bike. Perfect source for conversations.
Just purchased another one. I am converting these to e-bikes. Inexpensive, robust a very good entry level fat bike. And an especially good candidate for my use. Nothing lightweight about it. But you're adding a heavier motor and battery. I like the steel frame because it is strong and I can cut and weld the bottom bracket. That cures the motor mount problems (weld it to the frame) and chain alignment issues. I gear these especially low, the chain wheels have no offset so I cut the bottom bracket to the required width. Everything else that is of questionable quality gets replaced. And surprisingly that is very little. Brake pads, rear axel, ball bearings at both wheels and inner tubes. And these parts were kept on the bike until the heavier, more powerful conversation wore them out. Everything else is good. I rode it as a bicycle for a bit before the conversion, even put on a 3x mt bike chainring to lower the gearing, to high stock. It was fun. But I'm 9000' in the Rockies and the conversion was the main intent. For the money you cannot go wrong.
F**A
Excelente producto
Excelente producto
A**N
If you know what you're getting into, it's a decent purchase. Cheap, but works.
Let's be honest here, if you're looking at a $230 bike, you shouldn't be expecting much. I wasn't. But I wanted to keep active this winter and thought this would give me an extra measure of safety while biking as opposed to my more expensive, but less fat, mountain bike. Pros: Cheap. Seriously. Gives great handling in snow. Cons: Only one bottle holder? (not included!) No rack mounts in back. Zero handling advantage on ice (I've already wiped out twice). Grip shifter. I prefer thumb shifters, I had quite a hard time getting used to this one, I consistently would accidentally switch gears when getting an extra grip for power pedaling. Neutral: no front shifter? I dunno, sometimes I wish I had more gears and sometimes it doesn't really seem to matter. This will take more pedaling power than a mountain bike. I haven't had too many cases where I've said, man, I really NEED more gears. They'd be nice, but not necessary. Setup was simple enough, I guess. But I had a really hard time getting the front brake to quit squealing. I finally got it dialed in but the whole thing just felt wonky so I brought it to the bike shop to have them do everything they could. Which actually wasn't much. The guy said it pretty well: cheap parts, don't give a lot of option. So the brakes are a little spongy, the calipers squeal a little bit, I've crashed a few times. But overall, and I don't mean to sound 100% negative here, I'm actually quite satisfied with this purchase. I needed a cheap bike to play on during the winter, this does better than my other bike does on snow, and the cons aren't super terrible. If you want to do some light riding in the winter, or on sand (this also does great on gravel trails), then it's a good purchase. If you want to run competitively downhill trails, you probably want something with more stopping power.
M**.
Loving the fat bike.
OK, so its not really a 5 star bike, but when you factor in the price its great. I have a pretty nice 29'er that I had been riding and kicked around the idea of getting a fat bike just for grins and giggles, and when I saw it on clearance I jumped. The bad first, the bars are really weird to me, got rid of those and replaced the stem while I was at it. The twist shift is terrible, put on an old trigger shifter and it works 100% better. Some have complained about the crank, but I thought it wasn't that bad and the rear derailleur was OK, too. Brakes were fair, but I plan to upgrade to larger discs and hydraulic. I was surprised at how light the front wheel was, I thought by the reviews it would weigh a ton, but not really. Seat post was pretty cheap, but seat wasn't that bad if you are used to a mountain bike seat. I took this baby out on some pretty tough trails and was really impressed. I have ridden a lot of off road motorcycles and this is what it reminded me of the way it handled. It would roll over things like they weren't even there. The rolling resistance is a problem on long hills, but not that bad on lesser inclines. The gearing is pretty tall for trails, but its taking me back to when I rode a single speed and it forces me to ride more aggressive. I have a Megarange on order, but I am kind of getting used to the taller gear and liking how it is forcing me to be more aggressive. I took it out today in a light rain, trails were nasty, and it went right on like nothing to it! I don't see it replacing my 29 for faster trails, but for a quick workout around home I love it. Its a ton of fun for cheap and well worth the price. EDIT: After giving this thing a good beating, I still love it! I have added an old set of hydraulic brakes that made a big difference, stops 100% better now. Also the Megarange rear cassette helped a lot on steep hills. Taller, lighter seat post made it fit me a little better, too. My 29 sees very little use now, this gal gets all the attention. Its given me a lot more confidence that I have on my 29. The wheels/tires may be a bit heavy, but the flywheel effect you get from that lets you just roll over stuff you literally have to try and hop and pedal over with regular tires.
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