Best Mountain Bikes in 2021 – Ultimate Guide By Experts

Are you looking for a quality bike for yourself or someone else? Are you looking for your first bike or your first bike in years? Do you need a reliable mountain bike for your commute, exercise, or weekend leisure?

There are a lot of qualities and features to note when you are looking for the right mountain bike. Whether you’re using your mountain bike for your

  • Commute to work
  • Running errands
  • Weekly exercise
  • Leisurely trail or mountain biking on weekends

There are some basics that you need to be thinking about when you are shopping for the right mountain bike for you. To help you out, we are going to be looking at the best mountain bikes of 2021.

This will give you a little kickstart guide to help you in your shopping so that you can get the perfect mountain bike for your needs.

Things to Consider When Shopping for Best Mountain Bikes

Here are some of the major pieces of criteria that you should be taking a look at when you are shopping for the right mountain bike for you.

Where you are going to be riding it?

Where you are going to be riding your bike is the first thing that you should be thinking about. Are you going to be using your bike daily for your commute to work or running errands? Or is your bike going to be used for leisure riding or exercise during the week or weekends.

The other things you should consider when shopping for the perfect mountain bike is what kind of environment you will be riding in the most. Are you going to be riding in a

  • City or urban environment
  • Through the park
  • On concrete roads
  • On dirt trails in the outdoors
  • Up and down steep hills
  • In the suburbs
  • On long, winding, rural roads

Thinking about the environment that you are going to be riding in the most is going to tell you a lot about the kind of bike that you need, and the features that you are going to need on your bike

Weather conditions

What kind of weather does your bike need to stand up too? If you are going to be riding through a lot of rain, mud, etc you may want to make sure that you have a sturdy, weather resistant frame and parts to prevent rust and deterioration.

How Often Will You Be Riding?

How often your riding will also tell you a lot about the bike that you need to be getting. If you are riding your bike every day, you may want to shell out a little more money to get a little more quality or durability.

Getting Fitted for a Bike

Make sure that you get fitted for your bike. If it has been a while since you have been fitted for a bicycle or you aren’t sure about what size you need, research online what size you need or go to a local bike shop so that they can recommend a size for you.

Components and Suspension

Regardless of the kind of bike that you want to buy, you need to make sure that you have quality components for smooth riding. Make sure that you have

  • Good shifters
  • A good quality suspension that meets your needs
  • Enough gears for your rides
  • Quality tires and wheels
  • Good brakes

Having quality components is going to make your bike last and make your rides smooth and enjoyable.

Top Rated 5 Mountain Bikes Review in 2021

1. Schwinn Protocol 1.0 Men’s Mountain Bike

 Schwinn Protocol 1.0 Men's Dual-Suspension Mountain Bike

The Schwinn Protocol Men’s Mountain bike is the first stop that we are going to take on our tour of the guide to the best mountain bikes in 2021 and beyond.

It has an aluminum suspension frame with a steel rear for added support and durability. This bike has all Shimano components and goes up to 24 speed, which makes it great for tackling steep inclines and tall hills.


It has a superior Suntour suspension fork and Promax front disc brake for quality handling, control, and braking. This moutain bike is equipped with a MTB handlebar for maximum grip, steering, and comfortability.

Aluminum body with steel rear

The aluminum body on this mountain bike makes it really lightweight, responsive, and also durable for taking out in rugged road or trail condition. The steel components on the rear of the bicycle help fortify the frame and make for a smooth and comfortable ride.

Dual suspension

The dual suspension on this bike is great for making your ride as smooth and comfortable as possible. By having support on the front and back tires, you will be able to ride over rocks, dirt, and all kinds of debris without getting totally rattled. Instead of getting jarred by rugged terrain, you will hardly notice the bumps on the road beneath you.

Shimano 24 speed

As you may already know, Shimano is one of the leading names when it comes to building quality bike shifters and components.

This mountain bike is a sweet 24 speed so that it is built to take on just about any incline, no matter how steep. It is also equipped with Shimano EF- 50 Trigger Shifters for smooth transitions between gears.

Quality disc brakes

On any mountain bike, you want to make sure that you can come to a complete stop safely. This Schwinn has responsive, powerful disc brakes that will help you navigate the wildest of downhills whether that be on the road or out on the trails.

Double-walled alloy rims

The double-walled alloy rims are a really nice feature on this bike. The material of the rims is really sturdy, but also super light so that it doesn’t weight the bike down by making it too heavy. They provide safe and comfortable support for the frame.

Highlighted Features:

  • Shimano shifters and components
  • Dual suspension
  • Aluminum frame with steel rear
  • 24 gears for taking on massive inclines
  • Reliable brakes for maximum control


  • All Shimano components for easy and smooth shifting
  • 24 gears for being able to tackle practically any incline
  • Awesome disc brakes for ultimate stopping power on serious downhills, so that you always feel comfortable coming to a complete stop on your bike
  • This bike has a super durable and lightweight aluminum body that is responsive to the road and trail beneath you
  • Quality rims for lightening up the bike and making the wheels really sturdy
  • Dual suspension for maximum handling and comfortability while negotiating all kind of terrain


  • Wheels are poor quality
  • No holder for your water bottle
  • Front fork and the suspension are difficult to adjust

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2. Diamondback Sorrento Hard Tail Mountain Bike

Diamondback Bicycles Sorrento Hard Tail Complete Mountain Bike

The Diamondback Sorrento Hard Tail Mountain Bike is the last bike that we are going to take a look at today.

Price wise, this bicycle is a little more on the high end, in comparison to the previous mountain bikes that we looked at.


This bike is made of a heat treated aluminum alloy for strength and stability. Has has 27.5 inch wheels and high traction tires for tackling any terrain.

It is equipped with Shimano components and 21 speeds for climbing hills and inclines with ease. It is also equipped with Shimano shifters This bike has front and rear brakes for maximum control when stopping.

21 Speed shifters

The 21 speed shifters on this bike are a nice touch for being able to tackle on size or incline of hill or mountain, that you are facing.

Large wheels with premium traction

The large wheels and the grippy tires on this bike provide premium traction for any surface. It makes this bike great for tackling hard turns, high banks, and tough terrain.

Aluminum alloy body

The aluminum alloy body on this Diamondback makes this bike really lightweight, but also seriously durable.

With aluminum alloy, you are going to get the sturdiness that you need for tackling any terrain, plus the ability for your bike to keep you comfortable while you are taking on rocks, gravel, dirt, or pavement.

Front and rear brakes

The front and rear brakes on this bike make for maximum stability. There is no downhill or hard turn that you can’t face without the ultimate feeling of safety and stability.

Shimano parts

Lastly, this bike is set off by the Shimano shifters, gears, and components that it has. These reliable parts provide fluid transition between gears.

Highlighted Features:

  • Lightweight body
  • High traction wheels
  • Shimano components
  • 21 speeds for climbing hills
  • Full suspension


  • 21 speed bike
  • Lightweight and durable alloy body
  • Large wheels with excellent traction
  • Front and rear brakes for maximum stability


  • The stock seat isn’t that comfortable
  • You may want to upgrade to better brake pads
  • You also may want to upgrade the pedals

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3. Northwoods Aluminum Full Suspension Mountain Bike

Northwoods Aluminum Full Suspension Mountain Bike

The Northwoods Aluminum Mountain bike is a great choice if you want a quality mountain bike without shelling out for an expensive mountain bike.

It has a full suspension aluminum frame with a steel front fork for maximum stability and control. The Northwood is equipped with 21 speed twist shifters for navigating those hard to climb hills, roads, and trails.


It has lightweight and durable 24 inch alloy rims that provide the perfect amount of support, comfortability, and handling for your bicycle. It is equipped with a smooth shifting Shimano rear deraileur and a triple steel crank for fluid transitioning between gears.

Alloy Rims

The alloy rims on this mountain bike make for a smooth, responsive ride that can handle just about any kind of terrain in terms of roughness. They are lightweight and also super durable for handling just about any kind of trails, roads, and terrain.

Aluminum body and steel front fork

The aluminum body and steel fork are absolutely essential on this mountain bike. The aluminum body makes for a durable, lightweight, and pliable frame that can mold to whatever terrain or landscape that you want to carve up.

21 gear shifter

The gear shifter on this bike is a really nice touch for adding the perfect amount of versatility to your mountain bike. This mountain bike is equipped with a 21 gear shifter that will help you handle and manage any hill, mountain, or trail that you are facing on your ride.

Shimano Deraileur

The Shimano deraileur on this bike is a really nice touch. This ensures smooth shifting transitions between gears and prevents catching so that you have a clean and safe ride.

Triple steel crank

The triple steel crank on this bike is another nice touch when it comes to mountain bike components. The steel on this bike will hold up to any kind of weather, mud, water, weather conditions, and other muck or debris that you may encounter while riding.

Highlighted Features:

  • 21 gear shifter
  • Aluminum body and steel fork
  • Powerful steel crank
  • Reliable brakes


  • Aluminum body with a touch of steel for lightweight and sturdy stability and support
  • 21 gear shifter for tackling any hill
  • Shimano deraileur for smooth shifting between gears
  • Alloy rims for durability and performance


  • Takes a little fine-tuning, and is not quite ready to use out of the box
  • This bike actually weighs 10 pounds more than it’s labeled as

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4. Mongoose Cache 26″ Men’s Mountain Bike

Mongoose Cache 26 Men's Mountain Bike

The Mongoose Cache 26 inch Men’s Mountain Bike is the next stop on our tour of the best bikes of 2021. This is yet another low cost and high quality mountain bike that is great for beginners and intermediate cyclists alike.

It is built on a Mongoose aluminum full suspension frame so that it can handle any terrain with ease.


It has a durable, and flexible front suspension fork for taking on any obstacles or rocky roads with ease. It has a 21 speed Shimano setup with SRAM twist shifters, which are great for making it much easier for you to climb steep hills and inclines.

This bike is equipped with a front disc brake and a linear pull brake for ultimate control and safety when going downhill. The alloy wheels are lightweight and super pliable for taking on just about any terrain.

Aluminum body

This mountain bike has a sturdy and lightweight aluminum body that is great for staying solid and rebounding off of any harsh rocks or hard terrain.

Full suspension

The full suspension of this bike is a really nice touch. Where some mountain bikes will only have a front suspension for handling rugged terrain and paths, this model has a front and rear suspension for the maximum amount of support and comfort when tackling rocks, dirt, and road.

21 speed twist shifters

This bike is deep in gears, which make it great for tackling steep inclines and large hills. It has 21 speed twist shifters for quick and easy shifting, and also making it much easier for you to cilmb hills.

Front and rear brakes

Yet another great aspect of the mongoose is that it has both front and rear brakes. Instead of just having one or the other, having brakes in the front and the back give this bike the maximum amount of safety and control for taking on steep and fast downhill, quick cuts, and turns.

Alloy wheels

The alloy wheels on this bike are great for taking a beating and bouncing back. The wheels on this bike are super lightweight and durable so that they give you plenty of support without weighing down your bike.

Highlighted Features:

  • Shimano parts
  • Lightweight aluminum frame with steel fork
  • Front and rear brakes for control
  • 21 speed shifters
  • Durable alloy wheels


  • Lightweight aluminum frame
  • Alloy wheels
  • 21 speed shifter
  • Front suspension for for bouncing back off of rough terrain
  • Shimano components
  • Front and rear disc brakes


  • Pedals need tightening, out of the box
  • Assembly required
  • No water bottle mount
  • Not the best quality

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5. Schwinn High Timber Mountain Bicycle

Schwinn High Timber Mountain Bicycle

The Schwinn High Timber is another great choice for a mountain bike, if you are looking for the best bikes that you can get next year. This is another aluminum frame, durable, mountain bike body with a 29 inch frame.

This also includes a Schwinn front suspension fork with a Shimano 21 speed deraileur and SRAM twist shifters, to help you tackle hills of all inclines and sizes.


It has front and rear linear pull brakes for ultimate braking power. It is also equipped with sturdy and weight alloy wheels with a quick release front to make this bike easy to store and lock up just about anywhere.

Schwinn aluminum frame

This Schwinn Bike is equipped with a sturdy aluminum frame. What aluminum frames have over full steel frames is that they aren’t as heavy, and they are also a lot more comfortable for riding over bumps and rocky terrain.

Steel tends to be a little more stiff and rigid, which can make riding over bumps and rocks really rattling to the bike and the rider. This aluminum frame is durable, sturdy, and responsive.

21 speed shifter

This 21 speed shifter is great for tackling hills of all sizes and inclines.

Alloy wheels

The alloy wheels on this bike are super sturdy and lightweight, for keeping your bike light, easier to pedal, and also making the wheels on this mountain bike weather and water resistant.

Reliable Suspension

This bike has a Schwinn front suspension fork. The suspension on this bike makes it great at handling all kinds of rugged, hilly, and bumping terrain without shaking you or your bicycle up too much.

Front and rear pull brakes

A nice safety feature on this bike is that it has front and rear brakes for ultimate stopping power. You know how important it is to have reliable brakes when you are navigating steep hills and sharp turns.

Highlighted Features:

  • Dependable bike from a dependable company
  • Front wheel suspension
  • 21 speed gears with easy shifting
  • Front and rear pull brakes
  • Lightweight and sturdy alloy wheels


  • Sturdy aluminum body
  • Schwinn front suspension
  • Durable and resilient alloy wheels
  • Easy switching 21 speed gear shifter
  • Front and rear pull brakes


  • Can be an odd fit, depending on your height
  • Load cranks
  • Pedals are low quality plastic

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Final Verdict

So who was the winner in this comparison between mountain bikes? At the end of the day, they all had a fair amount of commonalities, but each of them had a few features and functions that set them apart from the rest of the pack. In this case, we really liked the Schwinn Protocol the best.

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The Schwinn Protocol Men’s Mountain Bike gives you absolutely everything that you need in a quality, reliable mountain bike. Here is what we liked best about it

  • It has a dual suspension frame for the ultimate smooth ride
  • Shimano shifters and components with 24 speeds for being able to climb any incline
  • Front and rear brake
  • Quality suspension fork
  • High quality rims and wheels

For the price and the quality, it is really hard to beat this bike.

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