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26' Fat Tire Mountain Bike with 4 inch Knobby Tires, 21 Speed MTB with Dual Disc Brake for Adults, Anti-Slip Bicycle, Black, White, Blue&Purple
26' Fat Tire Mountain Bike with 4 inch Knobby Tires, 21 Speed MTB with Dual Disc Brake for Adults, Anti-Slip Bicycle, Black, White, Blue&Purple - Image 2
26' Fat Tire Mountain Bike with 4 inch Knobby Tires, 21 Speed MTB with Dual Disc Brake for Adults, Anti-Slip Bicycle, Black, White, Blue&Purple - Image 3
26' Fat Tire Mountain Bike with 4 inch Knobby Tires, 21 Speed MTB with Dual Disc Brake for Adults, Anti-Slip Bicycle, Black, White, Blue&Purple - Image 4
26' Fat Tire Mountain Bike with 4 inch Knobby Tires, 21 Speed MTB with Dual Disc Brake for Adults, Anti-Slip Bicycle, Black, White, Blue&Purple - Image 5
26' Fat Tire Mountain Bike with 4 inch Knobby Tires, 21 Speed MTB with Dual Disc Brake for Adults, Anti-Slip Bicycle, Black, White, Blue&Purple - Image 6
26' Fat Tire Mountain Bike with 4 inch Knobby Tires, 21 Speed MTB with Dual Disc Brake for Adults, Anti-Slip Bicycle, Black, White, Blue&Purple - Image 7
26' Fat Tire Mountain Bike with 4 inch Knobby Tires, 21 Speed MTB with Dual Disc Brake for Adults, Anti-Slip Bicycle, Black, White, Blue&Purple - Image 8

26′ Fat Tire Mountain Bike with 4 inch Knobby Tires, 21 Speed MTB with Dual Disc Brake for Adults, Anti-Slip Bicycle, Black, White, Blue&Purple

$349.98

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Price: $349.98
(as of Oct 06, 2026 20:47:47 UTC – Details)
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Customers say

Customers find the bicycle to be of good quality. However, the durability receives mixed feedback, with some finding it sturdy while others report issues with bent rear frames and axles. Similarly, the fit is also mixed, with some customers saying it's great while one mentions the shifter doesn't align properly.

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9 customers mention quality, 9 positive, 0 negative

Customers find the bike to be of good quality.

Nice bike. Perfect for my grandson.Read more

Great bike only complaint I had was the front tire there was a 1” slice in the sidewall of the tire but seems like a great bike looks good and my…Read more

Great fit. Love this bikeRead more

Assembly was easy. The bike is good quality I’ve ridden the bike every day since I received it.Read more

7 customers mention durability, 3 positive, 4 negative

Customers have mixed opinions about the bike's durability, with some finding it very sturdy while others report issues with bent rear frames and axles.

I ordered 2 bikes. One was good, the other has a bent rear frame and axle so shifter does not align properly….Read more

…I can’t know if it’s going to hold up very well, but does look very sturdy and well made. I purchased because of reviews….Read more

Seat column collapses under 390lbs, does not stay in position. Wheels also have noisy discsRead more

Good heavy duty bicycle for larger people!Read more

5 customers mention fit, 2 positive, 3 negative

Customers have mixed experiences with the bike's fit, with some finding it great while others report issues with alignment and positioning.

…One was good, the other has a bent rear frame and axle so shifter does not align properly. Bike shop said too much money to try fixing….Read more

Great fit. Love this bikeRead more

Chain doesn't lock into placeRead more

…He’s tall for his age, so it fit him. A bike path runs next to their home, so I’m sure he’ll get lots of use with it….Read more



Quality

5 out of 5 stars

Quality
Assembly was easy. The bike is good quality I’ve ridden the bike every day since I received it.
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Top reviews from the United States

  • Eleana Litten

    5 out of 5 stars

    Great

    Reviewed in the United States on March 11, 2026
    Color: XD-Black

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    Great fit. Love this bike
    One person found this helpful

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  • Frank

    5 out of 5 stars

    Fatso

    Reviewed in the United States on August 28, 2026
    Color: XD-Black

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    Good heavy duty bicycle for larger people!

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  • Grandmother of 9

    4 out of 5 stars

    Nice bike

    Reviewed in the United States on September 3, 2026
    Color: XD-Black

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    Nice bike. Perfect for my grandson.

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  • Beverly Colbenson

    5 out of 5 stars

    Sturdy and well made.

    Reviewed in the United States on January 16, 2026
    Color: XD-Black

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    This was a Christmas gift for my 12-year-old grandson who wanted a fat-tire bike. He and his dad put it together very easily, took maybe 15 minutes. We live in Minnesota, so there hasn’t been a lot of chance to ride yet because it’s winter, but he did try it out and rode it easily. He’s tall for his age, so it fit him. A bike path runs next to their home, so I’m sure he’ll get lots of use with it. Since it hasn’t been ridden that much, I can’t know if it’s going to hold up very well, but does look very sturdy and well made. I purchased because of reviews. I’m sure he’ll get many years of use from the bike.
    2 people found this helpful

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  • Cotey Stevenson

    3 out of 5 stars

    Not very durable

    Reviewed in the United States on April 29, 2026
    Color: XD-Black

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    It okay but after few rides the gear broke
    2 people found this helpful

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  • Pissed off

    1 out of 5 stars

    Not worth the price

    Reviewed in the United States on June 7, 2026
    Color: XD-Black

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    Dosent match up with the stats that are listed I'm a fat tall guy and the bike doesn't feel comfortable at all and the chain falls off every two seconds save your money
    4 people found this helpful

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  • H.M. Mac

    5 out of 5 stars

    As pictured

    Reviewed in the United States on February 19, 2026

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    I can't say I've ever used the bike, but it's sturdy as all get up and looks great on my deck trying to remind me to use it. One day …one day.
    One person found this helpful

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  • David Coates

    2 out of 5 stars

    Looks like a dream

    Reviewed in the United States on March 18, 2026
    Color: XD-Black

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    Very nice bike to look at but the measurements are off. Had to get a new sest but it doesn't get tight enough not to move. You can see in the picture that the front tire is not positioned correctly. When riding, it feels like its drifting to one side, like the alignment is off on a vehicle.

    Looks like a dream

    David Coates

    2 out of 5 stars

    Looks like a dream

    Reviewed in the United States on March 18, 2026
    Color: XD-Black

    Very nice bike to look at but the measurements are off. Had to get a new sest but it doesn't get tight enough not to move. You can see in the picture that the front tire is not positioned correctly. When riding, it feels like its drifting to one side, like the alignment is off on a vehicle.

    2 people found this helpful

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Product Summary: MarKnig 26' Fat Tire Mountain Bike with 4 inch Knobby Tires, 21 Speed MTB with Dual Disc Brake for Adults, Anti-Slip Bicycle, Black, White, Blue&Purple

From MarKnig
【Sturdy Frame】The high carbon steel frame ensures lasting strength, providing robust support for riders up to 440 pounds. Recommended for heights between 5’5″ -7’3″
【Better Traction】Wider tires offer superior traction, especially in off-road conditions like gravel, mud, or sand, allowing riders to navigate challenging terrain with greater confidence
【Efficient 21-Speed Transmission】 Enjoy versatile rides with a 21-speed transmission, offering adaptability for various terrains and gradients
【Enhanced Suspension and Braking】 Enjoy a smooth ride with front suspension, complemented by Dual Disc Brakes for precise and reliable stopping power
【Easy to install】85% pre-installed, all installation tools are included in the package, you can complete the installation in 20-40 minutes with the installation video

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26′ Fat Tire Mountain Bike with 4 inch Knobby Tires, 21 Speed MTB with Dual Disc Brake for Adults, Anti-Slip Bicycle, Black, White, Blue&Purple
26′ Fat Tire Mountain Bike with 4 inch Knobby Tires, 21 Speed MTB with Dual Disc Brake for Adults, Anti-Slip Bicycle, Black, White, Blue&Purple

$349.98

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