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Huffy Stone Mountain Hardtail Mountain Bike for Boys/Girls/Men/Women, 20"/24"/26" Sizes, 6 or 21 Speed Shimano Twist Shifting, Front or Dual Suspension, Comfort Saddle, Sleek Colors

3.9 3.9 out of 5 stars 4,602 ratings
#1 Best Seller in Mountain Bikes
Price: $229.99
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Size Chart
US Hardtail Mountain Bike
Brand SizeRider Height (in)Wheel Size (in)
12 Inch37 - 4212
14 Inch39 - 4414
16 Inch42 - 4816
18 Inch42 - 4918
20 Inch44 - 5620
24 Inch58 - 7024
US Hardtail Mountain Bike
Brand SizeWheel Size (in)
26 Inch26
27.5 Inch27.5
29 Inch29
Bike Type Mountain Bike
Age Range (Description) Adult
Brand Huffy
Number of Speeds 21
Color Charcoal Gloss
Wheel Size 24 Inches
Frame Material Alloy Steel
Suspension Type Front
Special Feature Kickstand, 21 Speed Twist Shifting, Front Suspension, Easy Assembly, Adjustable Seat
Included Components Kickstand, Manual, Bike, Assembly tools

About this item

  • Bold Charcoal Gloss Frame: Designed with a durable and stylish charcoal gloss finish, this bike is built to withstand rugged trails and everyday rides.
  • 21-Speed Shimano Twist Shifting: Features a reliable Shimano 21-speed drivetrain for smooth and precise gear changes, perfect for climbing hills and navigating various terrains.
  • Front Suspension System: Equipped with a front suspension fork to absorb shocks and bumps, ensuring a smoother and more controlled riding experience on uneven paths.
  • Comfortable Saddle Design: Includes a padded comfort saddle to provide support and comfort during long rides, keeping young riders focused on the adventure.
  • Ideal for Boys: With 24-inch wheels and a sturdy frame, this mountain bike is perfect for growing riders ready to tackle trails, explore neighborhoods, or commute to school.
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Customer reviews

3.9 out of 5 stars
4,602 global ratings

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Customers say

Customers are satisfied with the bicycle's quality and appearance. They find it functional and sturdy, with no problems. However, some have experienced issues with loose handlebars and chain falls. There are mixed opinions on the build quality, ease of assembly, value for money, and size.

AI-generated from the text of customer reviews

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Product qualityLooksBuild qualityEase of assemblyValue for moneySizeHandlebar loosenessChain fall
111 customers mention "Product quality"81 positive30 negative

Customers like the bicycle's quality. They say it's functional, sturdy, and easy to assemble. Some mention it hasn't had any problems like some previous bikes they've owned. The test went well and their son loved it.

"...Gearing needed to be adjusted just slightly, and works great even on bumpy terrain...." Read more

"...For me, it's decent enough for the abysmal sidewalks and bike paths in my city, but most certainly not fast or speedy enough to compete on the road,..." Read more

"Good price, easy to put together, works excellent for a 9 year old that’s almost 5ft." Read more

"...This bike is junk, it might as well be sitting in a dump somewhere. It’s garbage. I’ve ridden it maybe 4 times...." Read more

70 customers mention "Looks"70 positive0 negative

Customers like the bicycle's appearance. They say it's exactly as pictured, has black wheels that look great, and is sturdy. The frame and paint sparkle in sunlight.

"...it came right away and was very easy to assemble. smooth ride and great looking bike. worth a look and buy" Read more

"Very impressed for $200. Looks nice. It's reasonably light weight...." Read more

"The frame of the bike is good and my son is enjoying it...." Read more

"...It's like a $300+ bike for a little more than 1/2 the price. Looks nice as well!" Read more

381 customers mention "Build quality"192 positive189 negative

Customers have different views on the bicycle's build quality. Some find it solid and durable for the value, while others report issues like parts breaking or the main structure bending.

"...But when installed and put together properly, these bikes are top notch! I would highly recommend these to anyone...." Read more

"...The only downside is the seat. It's rock hard, and without rear shocks, it's pretty uncomfortable." Read more

"The bike is great and my son likes it so I’m giving it 4 stars rather than 2 or 3, but it was missing an important part...." Read more

"...Front derailleur was trash, could never get it to shift into the smallest gear...." Read more

235 customers mention "Ease of assembly"142 positive93 negative

Customers have different experiences assembling the bicycle. Some find it straightforward without the manual, and there is an easy-to-follow how-to video showing step-by-step instructions. Others mention the instructions are poor, the wheels were unassembled, and the system for changing speeds is difficult.

"quality bike for the price. it came right away and was very easy to assemble. smooth ride and great looking bike. worth a look and buy" Read more

"Bought this for my 10 yo for Christmas. Bike took some time to assemble but came together pretty easily. Issues:..." Read more

"...Took 5 minutes to set up with the tools provided. Though, you're better off using a real screwdriver and wrenches if you have them...." Read more

"I bought 2 of these bicycles and they were a breeze putting together. Although I’ve had extensive experience with bicycles when I was younger...." Read more

175 customers mention "Value for money"120 positive55 negative

Customers have mixed opinions about the bicycle's value for money. Some find it a good buy and worthwhile, while others feel it has a cheap budget feel to it with poor fit and cheap fasteners.

"quality bike for the price. it came right away and was very easy to assemble. smooth ride and great looking bike. worth a look and buy" Read more

"Very impressed for $200. Looks nice. It's reasonably light weight...." Read more

"...I have concluded it's the result of a poor fit and cheap fasteners. Same issue with the seat...." Read more

"Very nice bike for the price! It's like a $300+ bike for a little more than 1/2 the price. Looks nice as well!" Read more

72 customers mention "Size"23 positive49 negative

Customers have different views on the bicycle's size. Some find it perfect for kids over 4 feet tall, while others say it's too small for their height and uncomfortable. The seat is described as hard and narrow, and the front brakes hold the bike tire snugly even when not engaged.

"...The shifters were “tight” especially for the front gearing, my son couldn’t even shift it to the smallest gear because it was so tight...." Read more

"...It's a great fit for my daughter even with the seat all the way down, so plenty of room for her to grow on this bike...even my 5'7", 230 frame could..." Read more

"...Same issue with the seat. Oh and the clearances on the kickstand are so tight thst my son has trouble raising and lowering it...." Read more

"...The gears were so tight my wife could not use half the gears...." Read more

77 customers mention "Handlebar looseness"0 positive77 negative

Customers are unhappy with the bicycle's handlebar looseness. They mention that the grips slide off, the handlebars don't tighten properly, and the crank falls apart. The bolts for the steering bar constantly loosen, causing the bike to spin forward or backwards.

"...Now on my last ride yesterday, not only was the handlebar coming loose, the left pedal is falling off...." Read more

"...It keeps tilting back when I sit on it. I literally cannot tighten the nuts anymore. The seat is going to have to be replaced...." Read more

"...It was easy to assemble. Soon after a month of usage we had parts getting loose and had to continue to tighten them...." Read more

"Purchased the bike and within the first few rides the handlebar slips forward. I think it is a poor design that easily strips causing it to slip...." Read more

71 customers mention "Chain fall"8 positive63 negative

Customers are unhappy with the bicycle's chain falling. They report that the pedals keep coming off, the chain keeps slipping off when changing gears, and the handlebar always comes loose mid-ride. The breaks slide up and out of comfortable reach, and the seat constantly drops on them while riding.

"...Most annoying is that the handlebar/steering arm will not stay in place, no matter what...." Read more

"...The first time it came so loose it was just flopping around and almost falling off, I couldn’t believe it...." Read more

"...The rear derailleur is so flimsy it is laughable (gears will start slipping after every week or two of steady use,)..." Read more

"Quick and easy to put together. The only thing is the front wheel came in and the rim is a little bent. Other than that great bike for the price." Read more

Good quality bike
5 out of 5 stars
Good quality bike
I buy it in the Black Friday with great deal, it’s good looking and high quality, the kids really like it.
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Top reviews from the United States

  • Rocket robot
    5.0 out of 5 stars great bike at a decent price
    Reviewed in the United States on November 18, 2024
    Color: Gloss RedSize: 24 InchVerified Purchase
    quality bike for the price. it came right away and was very easy to assemble. smooth ride and great looking bike. worth a look and buy
    One person found this helpful
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  • David Kinney
    5.0 out of 5 stars Awesome for the price.
    Reviewed in the United States on June 30, 2024
    Color: Matte BlackSize: 26 InchVerified Purchase
    Very impressed for $200. Looks nice. It's reasonably light weight. Not quite used to the shifting yet, but the bike is pretty quick without much effort. Took 5 minutes to set up with the tools provided. Though, you're better off using a real screwdriver and wrenches if you have them.

    The only downside is the seat. It's rock hard, and without rear shocks, it's pretty uncomfortable.
    10 people found this helpful
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  • Sneaky
    1.0 out of 5 stars Not a good purchase
    Reviewed in the United States on December 30, 2023
    Color: Gloss RedSize: 24 InchVerified Purchase
    Bought this for my 10 yo for Christmas. Bike took some time to assemble but came together pretty easily. Issues:

    The wheels are not straight and contact the brake pads sporadically while riding, making a scrubbing sound. I made significant adjustments to the brake pad spacing but could not easily dial it in to the spacing referenced in the manual - needed wider spacing to avoid contacting the tire.

    The derailleurs were not indexed properly. I followed the instructions step by step to set the low and high limits, then adjusted the thumbscrews to adjust the indexing. I spent 4 hours (not exaggerating) adjusting and could not get the shifting to work properly - it skipped gears, and the bike would often shift gears on its own while pedaling. Front derailleur was trash, could never get it to shift into the smallest gear. The shifters were “tight” especially for the front gearing, my son couldn’t even shift it to the smallest gear because it was so tight.

    Ultimately I decided to return it, too much wasted time trying to make it functional. Don’t waste your time on this bike, it’s trash just like many of the other reviewers said. I wish I’d listened to them, but I was attracted to the positive reviews and the price seemed reasonable.

    At the very least, don’t trash the box after buying it, because you can’t return it without the box. I had to buy a $20 bike box just to return it after trashing the original box (which was damaged on the bottom). Fortunately Amazon covered the cost of the bike box and made this return process pretty easy.
    24 people found this helpful
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  • Drew
    4.0 out of 5 stars Fantastic out of the box
    Reviewed in the United States on January 5, 2025
    Color: Midnight PurpleSize: 26 InchVerified Purchase
    I bought 2 of these bicycles and they were a breeze putting together. Although I’ve had extensive experience with bicycles when I was younger. It could and can seem daunting when you pull the bike out of the box. As you have to install the seat, pedals,handlebars, and wheels.
    The instructions are fairly straightforward, but there are so many different models and configurations for each bike sold. But when installed and put together properly, these bikes are top notch!
    I would highly recommend these to anyone. But if you are unsure about putting them together, ask someone you know for help or take the whole box to a reputable bicycle shop to put them together. All in all. Amazing bikes!!
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  • Andre Fazeli
    5.0 out of 5 stars Great value if it’s on sale
    Reviewed in the United States on January 3, 2025
    Color: Cloudy Grey GlossSize: 26 InchVerified Purchase
    For someone that does casual biking, this thing is awesome. I got it on sale and it’s amazing on gravel and pavement, so far that’s all I’ve tried it on but it handles likes champ. I used to be a bike builder so putting it together was extremely straight-forward, although I put together two of these and both had the pieces for the seat clamp sprawled all over the bottom of the box; very lucky they stayed in the box even with being shipped all the way over to Hawaii. The seat isn’t that comfortable but that’s what to expect from a cheap bike, and you can always swap it out for whatever seat fits what you’ll use it for. Gearing needed to be adjusted just slightly, and works great even on bumpy terrain. I’m about 220 pounds so I tightened up the tail spring a good amount and it glides over bumps, fantastic deal.
    One person found this helpful
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  • Bike
    5.0 out of 5 stars Gift
    Reviewed in the United States on December 31, 2024
    Color: Charcoal GlossSize: 24 InchVerified Purchase
    Gift for son. He assembled it. Said the instructions could have been better but looks good
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  • Clint
    3.0 out of 5 stars Mediocre quality
    Reviewed in the United States on October 6, 2023
    Color: Metallic CyanSize: 20 InchVerified Purchase
    The frame of the bike is good and my son is enjoying it. The bike is not the highest quality though, and I expect it will not last more than a year with as often as my son uses it. The front wheel was slightly bent out of the box, which made adjusting the front brakes a real joy. Most annoying is that the handlebar/steering arm will not stay in place, no matter what. Every time my son drops the bike with even mild firmness, the handlebar gets misaligned. The manual says to be careful about overtightening, and I heeded that advice initially. Unfortunately, I have found that even cranked down at max strength, the handlebars still won't reliably stay in alignment. I have concluded it's the result of a poor fit and cheap fasteners. Same issue with the seat. Oh and the clearances on the kickstand are so tight thst my son has trouble raising and lowering it. I plan to fix that with a Dremel. Next time I'll spend the extra money on something with a little better build quality.
    6 people found this helpful
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  • david woodcock
    5.0 out of 5 stars Great price for a great bike.
    Reviewed in the United States on December 3, 2024
    Color: Gloss RedSize: 24 InchVerified Purchase
    Very nice bike for the price! It's like a $300+ bike for a little more than 1/2 the price. Looks nice as well!
    One person found this helpful
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Top reviews from other countries

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  • Francisco
    5.0 out of 5 stars Ideal
    Reviewed in Mexico on May 1, 2024
    Color: Metallic CyanSize: 20 InchVerified Purchase
    Es de muy buena calidad y mi hijo está muy contento , los materiales son muy buenos y no es pesada, gracias
    Report
  • VICENTE R.
    5.0 out of 5 stars Ligera y robusta
    Reviewed in Mexico on September 24, 2023
    Color: Gloss RedSize: 24 InchVerified Purchase
    Es una bicicleta ligera y a la vez de construcción robusta.
    Es ágil en su manejo y los componentes son de buena calidad.
    Report
  • Gail McCarthy
    4.0 out of 5 stars Bike for a short lady
    Reviewed in Canada on August 11, 2023
    Color: Gloss IndigoSize: 24 InchVerified Purchase
    My husband helped me to assemble the bike. I hope it will stay firm. I think it may be loose parts like seat . The instructions are difficult to follow my husband used his common sense to do it. I looked up the Google search camera for the parts.
    Report
  • siyao sheng
    1.0 out of 5 stars This Bike is suck, low quality , not even a mountain bike
    Reviewed in Canada on July 16, 2022
    Color: Denim BlueSize: 26 InchVerified Purchase
    The media could not be loaded.
    I have bought it a month ago. And today when I ride on the road, the handle is easily move which makes me fall on the ground. Luckily, I did not in dangerous , just bleeding a bit, but if people ride it in some bad environment or near a car. I can not believe what will happen
    Report
  • Janet O'Keefe
    1.0 out of 5 stars VERY POOR CUSTOMER SERVICE
    Reviewed in Canada on April 30, 2022
    Color: Gloss RedSize: 24 InchVerified Purchase
    Purchased a new bike for my grandson. Received April 9th - Assembled (Gift for Easter) Given to him April 17th - Bike is not usable. When riding over rough ground, seat pops up for no reason-unable to just adjust- has to be removed and corrected with wrench. Tried 3 chats to have this seat replaced and was offered a $20 discount and I can go out buy a replacement seat. WOW, where is warranty, where is customer service - asking me to disassemble this bike - rebox it and return it for a refund vs just replacing the defective part. This is not acceptable when making purchase of a new product.
    Customer image
    Janet O'Keefe
    1.0 out of 5 stars VERY POOR CUSTOMER SERVICE
    Reviewed in Canada on April 30, 2022
    Purchased a new bike for my grandson. Received April 9th - Assembled (Gift for Easter) Given to him April 17th - Bike is not usable. When riding over rough ground, seat pops up for no reason-unable to just adjust- has to be removed and corrected with wrench. Tried 3 chats to have this seat replaced and was offered a $20 discount and I can go out buy a replacement seat. WOW, where is warranty, where is customer service - asking me to disassemble this bike - rebox it and return it for a refund vs just replacing the defective part. This is not acceptable when making purchase of a new product.
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