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Mongoose Dolomite R4144AZ Fat Tire Bike, 26-Inch, 4-Inch Tires, 7-Speed

$373.99 (Price correct as of 11/10/2026 07:17 PST · Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The light blue Mongoose Dolomite R4144AZ has a 17-inch medium steel frame, 26-inch wheels, 4-inch-wide knobby tires, a 1 x 7 drivetrain and front and rear mechanical disc brakes. It weighs 52 pounds and arrives 80% assembled. Compare the stated rider-height range of 5 feet 4 inches to 6 feet with the intended rider’s fit, and plan for the listed tools needed to complete assembly.

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SKU: B01N2Z117A Category:

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Quick Summary

The light blue Mongoose Dolomite R4144AZ is a fat tire mountain bike with a 17-inch steel frame, 26-inch wheels and 4-inch-wide knobby tires. It has a 1 x 7 drivetrain and front and rear mechanical disc brakes. Check rider fit and assembly needs when considering this model.

Key Details

Detail Product information and buyer relevance
Model R4144AZ; use the model number to check the exact bike configuration.
Frame 17-inch medium steel frame.
Rider height The listing gives a range of 5 feet 4 inches to 6 feet; compare it with the intended rider’s fit.
Wheels and tires 26-inch wheels with 4-inch-wide knobby tires.
Drivetrain 1 x 7 drivetrain with seven speeds.
Brakes Front and rear mechanical disc brakes.
Other components Threadless headset, alloy rims and beach cruiser pedals.
Weight 52 pounds; consider this when planning to lift or move the bike.
Assembly Arrives 80% assembled. Tools listed as needed are a Phillips-head screwdriver, 2.5-8 mm Allen wrench, adjustable wrench and pliers.
Color and warranty Light blue; listed with a limited lifetime warranty. Check the applicable warranty terms.

What to Compare Before Buying

  • Frame fit: Compare the 17-inch medium frame and stated rider-height range with the intended rider. Wheel size alone does not establish frame fit.
  • Weight: At 52 pounds, the bike may take more effort to lift or move than a lighter model. Consider where it will be stored and how it will be transported.
  • Assembly: Plan for the remaining assembly and the listed tools. The listing does not establish that these tools are included.
  • Gearing and brakes: Check whether a seven-speed drivetrain and mechanical disc brakes match the features you want on a bike.

Compatibility, Size and Fit

The stated rider-height range of 5 feet 4 inches to 6 feet is a starting point for checking fit, not a substitute for considering the 17-inch frame and the rider’s position on the bike. Confirm that the frame size works for the intended rider before choosing this model.

Setup and Correct Use

The bike arrives 80% assembled. Follow the product instructions to complete assembly and check the brake setup before riding. The listed tools needed for assembly are a Phillips-head screwdriver, a 2.5-8 mm Allen wrench, an adjustable wrench and pliers; check which tools are available for the selected configuration.

Before You Decide

Check the 17-inch frame against the rider’s fit, consider whether the 52-pound weight suits your handling and storage needs, and plan for the remaining assembly. Review the warranty terms if coverage matters to your decision.

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