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Mongoose Dolomite Fat Bike
7 7 Comments

Update: Check out my Mongoose Dolomite Unboxing post to read my first impressions.

There are a few cheap fat bikes on the market. For example, the Framed Minnesota 1.0 retails for $749.95. The Gravity Bullseye Monster from bikesdirect.com sells for $499.95.

Then there are a few extremely cheap fat bikes also for sale. Big surprise, they are all sold at Walmart.   Walmart’s best-selling fat bike is the Mongoose Beast Fat Bike which sells for $189.55. I have read quite a few reviews of the single speed Mongoose Beast Fat Bike, including a recent review by GearJunkie.  They claimed one of the Mongoose Beast’s biggest downfalls, other than being extremely cheaply made, was the single speed gearing. The fact that it weighs almost 50 pounds also makes it difficult to pedal especially being a 36front/18rear single speed.   Read their full review.

However, I wasn’t aware that Walmart also sold a geared fat bike for around the same price until I saw a post on r/fatbike on reddit by silkymike. In his post, he pointed out the Mongoose Dolomite Fat Bike was on sale for $191.99 with free shipping.  Costing about the price of an average fat bike rear hub, this 7-speed, one-size-fits-all tank weighs around 50 pounds.  For the price, I thought, “What the heck, how bad could it be?”

So, I ordered it online and had it shipped to my house for fear I would be recognized while purchasing a fat bike at Walmart (I’m kidding, of course). I do have concerns because some reviews mentioned the bikes being damaged due to heavily damaged shipping boxes. I will post an unboxing update toward the end of the week.

I plan on riding it stock for a little bit and seeing what improvements I can make on a budget. I’m thinking that the tires will need to be replaced and the rims drilled out. I will strip it down and weigh the components to see if I can cut down on the weight. Also, I plan on providing a more comprehensive spec sheet because the Walmart website provides little information.

Photo Credit: Walmart Mongoose Dolomite Fat Bike

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Josh

Hi I’m Josh. I grew up in the Twins Cities and as a kid I rode my bike all over the west metro area, in addition to fixing up bikes for myself and others. Through these experiences, I developed a life-long passion for biking. Since then, I received a B.S. in Physics from Bethel University and met my wife Santi. When I was in college, I spent a lot of time building and collecting bikes in our tiny one-bedroom apartment in St. Paul. At one point, we had at least 6 bikes stuffed into the apartment. I’d have a bike build in progress on the floor of the living room and the rest of the bikes hanging on DIY storage racks. I built my first fat bike, a Salsa Mukluk 2, in that apartment. I’m currently working on an Alubooyah Fat Bike build.

7 Comments

  • avatar

    Rich

    Hi Josh
    I appreciate your posts and I just finished assembly of my new mongoose dolomite fat bike. Found one for $190 in a damaged box on Amazon. Bike was not damaged at all. I have never ridden a fat bike but am sure I will love it. Looking forward to learning about how you build your dolomite into a better bike on the cheap. Thanks!

    • avatar

      Josh

      Glad you like the posts! I received some upgrade parts that I am working on putting on the Dolomite. Look for a post in the next couple weeks.

  • avatar

    Matt

    Josh,

    I am upgrading my Dolomite right now!
    Its very contrasting, sitting among the Trek, Gary Fishers and Giants in my garage!
    So far I have removed the 1 speed crank, replaced with a 3 speed XTR crank and front derailleur.
    I am waiting for the http://problemsolversbike.com/products/direct_mount_front_derailleur_adapter
    It’s Part# FS1325, should allow me to run a 3 speed front. Should be here in a few days.
    Also replaced the factory shifter over to some grip shifts. Will be a 3×7 with the factory rear cassette.
    Also changed the bar over to a some Butterfly Trekking bars.

    • avatar

      Josh

      Sounds like you’re making really good improvements on your Mongoose Dolomite! I’m looking forward to modifying mine in a similar way. Unfortunately, due to a recent surgery, I haven’t been able to finish it yet!

  • avatar

    Jeff

    Hi There Josh,
    We are considering renting a few fat tire bikes here at our small business in Duluth, MN. Would you recommend using the Dolomite out of the box for first time fat bike rental users? I have talked to the local bike shop and they start at $1,500 for other fat tire bikes. Not sure if we want to dive in that deep yet! Thanks for your time!
    Jeff

    • avatar

      Josh

      Sorry for the late response. I wouldn’t recommend using Mongoose Dolomites as rental bikes because they might cause a lot of hassle with constant repairs due to low quality components. If you’re looking for entry level fat bikes at a price point under $1000, I recommend looking into the Framed Minnesota fat bikes. You can find more info about them in my Budget Fat Bikes Buying Guide. They are a significant step up in quality from the Mongoose Dolomite.

  • avatar

    Alex

    any idea where I can find the inventor file for the tire

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