21speed mountain bike – Top 5 best 21 speed mountain bike reviews, Buying Guide & FAQ

Looking for a mountain bike that can offer multiple speed levels?

How about a 21 speed mountain bike?

Yes, there are such mountain bikes. The advantage of so many different speed levels is that controlling the bike is going to be easy. If you just choose depending on the aesthetics, you might end up buying a substandard mountain bike. On the other hand, no one has the time to go through the technical specifications of 21 speed mountain bikes.

I have got the perfect solution for you. Instead of comparing these options, you can go through my list of top 5 Best 21speed mountain bikes below. I have taken into account the technical specifications, durability, and usability of the bikes while compiling this list. Below the list, I will share with you a buying guide that will make it easy. The list below consists of not just the manual bikes but also the electric ones.

1. LOOCHO 21 Speed Foldable Mountain Bike


The bike that I am highlighting now is available in 2 different color options. It offers 21 different speed levels.

Are you wondering about the wheel size?

It offers 26-inch wheels. The larger wheel size makes it easy for you to handle any terrain. The three-spoke wheel design ensures that the wheel has excellent structural integrity.

In case you’re wondering about the Mountain bike suspension, it consists of dual suspension. The front and back suspension make it more comfortable.

To get excellent stopping power, you get dual disc brakes. The dual disc brakes help you stop it at a short distance.

The maximum weight carrying capacity of 300 lbs makes it easy for you to use it. The large weight carrying capacity makes it perfect for almost everyone. You get to choose between 2 different color options.

With the help of easy gear shifting, shifting from one gear level to another is quite easy. The aerodynamic design further makes it easy to use.

The foldable design means that you can store it in a small amount of space when not using it. Folding and unfolding it is not going to be a problem either.

The comfortable seat ensures that even when undertaking long bike trails, this mountain bike is extremely comfortable. With these features, you cannot ignore this 21 speed mountain bike.


  • Available in 2 color options
  • 26-inch wheels
  • 3 spoke wheels
  • Excellent suspension
  • Dual disc brakes on offer
  • High weight carrying capacity
  • Easy to shift gears
  • Aerodynamic design
  • Foldable design
  • Comfortable seat


  • Packaging can be better.

2. 26″ Electric Folding Mountain Bike


Do you prefer an Electric 21 speed mountain bike?

If yes, you should consider this one.

The 26-inch wheels mean that you can navigate any terrain using this bike. Additionally, the lightweight aluminum alloy construction is highly durable. The lightweight design also helps you in controlling it quite easily.

When you look at the wheels, it consists of aluminum alloy double-walled rims. Due to this reason, it does not suffer from extensive wear and tear.

The excellent suspension fork ensures that the ride is very comfortable. Also, the wear and tear-resistant tires won’t need a replacement any time soon.

The tires are suitable for any weather.

The 21 speed levels are easy to shift from. You need not put in a lot of effort for the same.

When you look at the battery capacity, it has a range of 30 miles. The maximum speed is 15 miles per hour.

The folding design means that you can store it in a small amount of space when not using it. The charging takes just 6 hours.

Wondering about the operational modes?

It consists of 3 different operation modes. You get to choose between electric assist mode, electric bike mode, and normal bike mode. The choice is yours. With 3-speed meter design, knowing the leftover battery is easy.

The weight carrying capacity of 242 lbs ensures that it is suitable for most adults. It can handle gradients of 30° as well. With these features along with dual disc brakes, you cannot go wrong with this bike.


  • Can handle any terrain
  • LED meter on offer
  • 3 different operation modes
  • Adequate range and speed
  • 26-inch wheels
  • Aluminum construction
  • Excellent suspension system
  • Foldable design
  • High weight carrying capacity


  • Limited usage instructions

3. Max4out Mountain Bike 21 Speed


The highlight of this mountain bike 21 speed is its durable frame. Along with it, excellent welding ensures that sturdiness is not going to be a problem.

When you look at wheels, it consists of 26-inch tires. The three-spoke wheels ensure that you can navigate hilly terrain and any other type of terrain. The heavy-duty mountain tires ensure that you can move it over any terrain.

Moreover, the easy-to-assemble design and accessories like a comfortable seat and three pedals make it pretty convenient.

The dual disc brakes ensure that stopping it at a short distance is possible. Also, the anti-slip design means that the control which you get is excellent. Hence, it is perfect for hilly terrain.

It is suitable for riders between 5’2″ to 6 feet. The weight carrying capacity of 200 lbs does not disappoint either.

The smooth-shifting between the speeds ensures that you can control the bike easily. Also, the bike comes 85% assembled. So, it doesn’t require a lot of time in assembling.

The convenience that this bike provides makes it a perfect choice.


  • High weight carrying capacity
  • Durable frame
  • 3 spoke wheels on offer
  • 26-inch tires
  • Can navigate any terrain
  • Easy to assemble
  • Dual disc brakes
  • Highly comfortable


  • Finishing can be better.

4. Huffy Hardtail Mountain Bike


With six color variants, you have some choice when going with this 21 speed mountain bike. Also, the bike that I am highlighting now is easy to assemble. You get an assembling video, which certainly makes it easy to use.

The bike’s versatility is such that it is suitable for anyone over the age of 13. The rider height should be at least 5 feet.

Are you wondering about the construction quality?

If yes, you will be happy to know that it consists of a durable steel frame. The frame ensures that wear and tear is not going to be a problem.

The suspension fork ensures that it can handle any shocks and impacts.

The 21 different speed levels are easy to shift between. The bike can handle downhill riding, uphill, as well as acceleration.

When you look at the tires, those are of 26″ x 1.95″. The knobby tires ensure that it can handle dirt quite easily.

Wondering about the saddle?

The bike consists of an ATB saddle. The stitching is heavy-duty as well. Not only is the padding excellent, but also the durability of the saddle is good as well.

The easy height adjustment mechanism allows you to adjust it according to your requirement.

You get the ATB type resin pedals, which ensure that paddling the bike is not going to be a problem.

The grip is excellent as well, which makes it easy to control.

Thus, if you’re looking for 21 speed mountain bike which can handle any kind of terrain, this is the one which you should go with.


  • Durable steel frame
  • Suitable for over the age of 12
  • Available in 6 color options
  • Comfortable saddle
  • Height adjustment mechanism
  • Excellent grip
  • Suitable for any terrain


  • Packaging can be better.

5. Smallrabbit Outroad Mountain Bike


Are you looking for a 21 speed mountain bike with sturdy tires?

If yes, this bike will not disappoint you. The six-spoke tires are highly durable. The 26-inch tires ensure that you need not worry about wear and tear. Once you buy this bike, you can be sure that using it for years together is possible.

The excellent welding technology means that the frame is durable. Not only that, but the quick-release mechanism also makes it easy to fold and unfold.

The high carbon steel frame means that it doesn’t require high maintenance. The magnesium wheels ensure that the wheels can handle any terrain.

The front and rear disc brakes allow you to stop the bike in no time.

When it comes to compatibility, it can carry a weight of 90 KG. It is suitable for riders between 160 cm to 180 cm.

The best thing about this bike is that men and women can use it quite easily. The sturdiness of the frame and the tires of this 21 speed mountain bike make it an option worth buying.


  • Heavy-duty tires
  • High carbon steel frame
  • Front and rear disc brakes on offer
  • High weight carrying capacity
  • Foldable frame
  • Compatible with most adult riders


  • After-sales support is limited.

21 speed mountain bikes can certainly make it easy for you to navigate any trail. When you choose a bike from my list above, you can be sure that you’re going with the best possible mountain bikes. I will share a buying guide with you that will make it even easier for you to choose between these five options.

21speed mountain bike buying guide

Things to consider before buying 21speed mountain bike:

The buying guide will let you know the parameters to consider while comparing these 21 speed mountain bikes.

The things which you should keep in mind are:

• Construction quality:

When buying a 21 speed mountain bike, you have to look at the materials in use. The bike should be sturdy. You have to look at the material of the wheels and the frame. Only once you look at both of these, can you make the buying decision.

The frame should consist of sturdy materials like steel, aluminum, or high carbon steel. In that case, wear and tear is not going to be a problem.

When you look at the tires’ structural integrity, it consists of 3 spoke or six spokes. If it consists of magnesium alloy, that is an added advantage as well.

• Bike type:

You have to also decide whether you want to go with the manual 21 speed mountain bike or the electric one. There are five manual options in my list above, and the second bike is the electric option. You have to decide the one you prefer and choose accordingly.

• Weight carrying capacity:

You have to always take into account the weight carrying capacity of the bike. Only then can you determine for whom the bike is suitable. The weight carrying capacity of the bikes should be at least 90 KG or approximately 180 lbs. In that case, almost any adult can use the bike easily.

If the weight carrying capacity is lower than that, you can consider it to be a kid’s bike and not an adult bike. Buying a 21 speed mountain bike without taking into account the weight carrying capacity is a big mistake.

• Braking power:

Another parameter which you need to look at is the braking power. There can be two types of brakes in the 21 speed mountain bike. It can have linear-pull brakes or disc brakes. The disc brakes have excellent stopping power. However, you need to understand to use them. If you simply pull those disc brakes with full force, the bike can skid. That is why, only when you are familiar with how disc brakes operate, you should go with such a bike.

Otherwise, you should choose a bike with linear-pull brakes. Linear pull brakes also provide excellent stopping power. You have to look at the braking power of the bike and then select one.

When you compare the 21 speed mountain bikes on these four parameters, it will become easy for you to choose one. I will now answer some of the FAQs to help you understand more about such mountain bikes.


Is a 21 speed mountain bike fast?

Yes, 21 speed mountain bike is pretty fast. When you compare this with the 18 gear bike or a low gear bike, your bike’s speed is undoubtedly higher.

Thus, instead of comparing numerous 21 speed mountain bikes, a better idea is to refer to my list of Top 5 Best 21 speed mountain bikes above. When you choose from this list, you’re going with the most reliable options. Also, since I spent hours on research, you can be sure that you are choosing the best mountain bikes on the offer. Also, by choosing from this list using the buying guide above, you can save hours or perhaps days of research.

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