Mongoose R3577 Girl’s Maxim Mountain Bike Review

Mongoose R3577 Girls Maxim Mountain Bike
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Quick Overview






  • Durable frame
  • Quality Shimano derailleur
  • Responsive brakes
  • Full suspension
  • Thick tires


  • Slightly heavy for the size
  • Might be too small

Family bike rides can be a great way to spend time with your loved ones, but driving around the same old roads and paths can be boring. Transitioning to more rugged terrain makes biking more exciting, gets you out into nature, and offers an entirely new experience – you just need a mountain bike to handle the rougher conditions. For teenage girls and younger, there is the Mongoose R3577 Girl’s Maxim Mountain Bike.

Mongoose R3577 Girl’s Maxim Mountain Bike

When it comes to buying bikes for preteens and younger girls, bikes often focus more on look than usefulness. However, the Mongoose R3577 Girl’s Maxim Mountain Bike looks clean & stylish while still offering a solid riding experience. The lightly pink/purple-tinted aluminum frame supports riders up to 5’ tall, making it great for younger girls up until potentially high school. It has good suspension for the price and the smaller wheels & lower weight make it more maneuverable than other bikes.

Who is this product for?

The Mongoose R3577 Girl’s Maxim Mountain Bike is targeted to a younger demographic – particularly girls from 4-5’ tall – but would work for boys as well permitting they are short enough to fit comfortably. It is also incredibly beginner-friendly in both price and use, with simple gear switching to get new riders used to managing their gears.

The bike is not overly professional or built for extreme usage, but is instead a step up from street bikes when it comes to dealing with obstacles and different terrain when outdoor biking thanks to the mountain tires. Its main benefit is maneuverability, easily navigating obstacles and being controlled even by smaller riders.

What’s Included?

The Mongoose R3577 Girl’s Maxim Mountain Bike doesn’t include additional pieces outside of the necessities that are already attached to the bike itself. However, you will need to assemble it before the bike can be used. The front wheel comes detached (so the package is smaller) and the seat will need to be secured as well as the handles.

Overview of Features

This girl’s mountain bike is made of an aluminum frame that supports up to 200lbs. and just about any rider from 4’-5’ in height thanks to the adjustable seat. This makes it a younger girl’s bike, but anyone who can fit can ride it.

The Mongoose R3577 Girl’s Maxim Mountain Bike’s frame is approximately 14” and the bike overall weighs about 44 pounds – lighter than many larger bikes for better maneuverability. The 24” wheel is also on the smaller side, but it allows for more control than a larger wheel would (at a lower top end speed).

The bike includes fork suspension that helps it to navigate obstacles without jostling the rider too much, and the 21-speed derailleur allows for more advanced users to accurately tune their gears for a smoother ride. The alloy brakes also allow you to stop and start as needed, keeping you from running over anything you can’t traverse.

This bike has extras attached that include a kickstand for easy storage and a water bottle holder to keep you hydrated on the trail.

How to Get the Most Out of It

To get the most out of your Mongoose R3577 Girl’s Maxim Mountain Bike, you’ll want to ride it on dirt paths, cobbled roads, gravel, and other uneven surfaces to take advantage of the mountain bike wheels. You should also learn to shift gears to make longer rides easier and use the smaller 24” wheel to navigate around larger obstacles that your bike is too small to go over.


If you want a product that offers a wider range of usability than the R3577, consider the Schwinn High Timber Mountain Bike. This mountain bike comes in 3 sizes with 3 different wheel sizes and 2 frame sizes, which will allow you to choose if you want maneuverability or a smoother ride. It will also let you find a bike for younger or older & shorter or taller riders depending on if you choose the 12” or 18” frame. It offers similar speeds, suspension, braking, and overall performance and is also cheaper than the R3577 if you choose the smaller model.


Overall, the Mongoose R3577 Girl’s Maxim Mountain Bike is a solid option for smaller & younger riders under 5’ tall. The 14” frame allows them to sit comfortably, and the fork suspension helps minimize the bumps while you go over uneven terrain. It offers a variety of speed options, is relatively lightweight, and comes in at a decent price when compared to other girls’ mountain bikes. If your daughter or granddaughter wants to start coming along with the family on bike rides, this is a great option to start out with.

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