9 Best Bike Computers of 2021 – Complete Buyer’s guide

Looking for the best bike computer of 2021? I have prepared a massive list of bike computers that are really worth your time and hard earned money. 

We hand-picked each cycling computer on this list based on real life data and feedback sourced from various online platforms. Sit back and enjoy your guide

Best Bike Computer Of 2021

1. Garmin Edge 520 Plus

Our Independent Rating

Why We Pick This?

The ability to send messages from rider to rider is one of the best features of this wearable. You will be able to send a pre-written message from your Edge 520 Plus device to your friend’s devices using the Rider-to-rider messaging app.

Garmin Edge 520 Plus is a high-performance, mid-sized computer that provides you with a robust unit for daily training and best-in-class navigation.

With this device it’s easy to train smarter and discover new routes.

This Garmin model features progressive navigation, like new cyclist alerts and pre-loaded Garmin Cycle map. Thus, it provides you with track instructions on and off for an enhanced cycling experience.

This smart device is compatible with the Preloaded Strava, which allows you to compare your actual data records with your earlier data, second by second; it is also possible to compete with another rider.

Furthermore, it has a preloaded Best Bike Split application that shows you how changes in weight, drag, and power can influence your targeted goal. This aids you to make an excellent power strategy for a cycling day to guide you to your best bike split ever. You only need to link your Best Split account to your Garmin Edge 520 Plus, and access all of your current race plans.


  • Turn-by-turn navigation with automatic rerouting.
  • Top of the line training and fitness insight analytical data.
  • Cadence sensors ensure exceptionally accurate results.


  • Has no wifi or battery save mode
  • Relatively expensive

Similar to other Garmin bike computers, this best model is compatible with ANT+ technology sensors that include cadence, speed, as well as heart rate.

For an improved performance data analysis, this model comes also with ANT+ power meters, such as Vector 3. Besides, the smart wearable Edge 520 Plus incorporates a unique pedal-based power meter to quantify the cadence, total power, and left/right balance.

Garmin Edge 520 Plus, GPS Cycling/Bike Computer for Competing and Navigation (Renewed)
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You can keep tabs on up to fifty of your riding friends using Group Track.  Whether you are pushing your limits at race time or exploring new tracks, edge 520 has all the features that you need.

The Power and MPA app will alert you if you are exceeding your maximum power available in the data.

2. Wahoo ELEMNT Bolt GPS Bike Computer

Our Independent Rating

Why We Pick This?

The function that I found the most interesting is the planned route elevation on the climbing page. This enables you to know how long you still have to sweat. ELEMNT has a great potential, and although not as sophisticated as Garmin, it's a fascinating smart device.  If you are a cyclist looking for an affordable navigation device, look no further; this one is worth considering.

Wahoo ELEMNT is another good value GPS bike computer. This device has physical buttons with a black and white screen that connects you up with your phone to synchronize individual information and preplanned routes. It does this through services such as Strava.

This device comes with a preloaded and detailed world base map that aids you through your rides or follows a loaded track. It utilizes the pre-installed maps to show you routes. The arrows along with the voice turn signals help to show your position and direction.

Furthermore, the bike computer also allows automatic downloads and uploads from the major cycling socials such as RideWithGPS or Strava.

The unit requires to be paired with the Element smartphone app for full customization of your device. The connection is made in a very smooth way, using a QR code. Instead of regularly punching a slew of buttons on a computer, you will use your familiar smartphone to tap quickly and drag the data you need into place.


  • Inexpensive
  • Great magnetic compass
  • Intuitive menu usability
  • Easy installation via a smartphone app


  • No touchscreen
  • Black/white display only

All the set-up is done via a smartphone, so you should ensure you have one before investing in this bike computer.

The Bolt, however, also has physical buttons:

  • Three buttons on the face: serve primary functions such as selecting, stopping, and dismissing the left side button used for power and getting into settings.
  • The double buttons on the right: serve as zoom functions for map and elevation profile.
Wahoo Fitness ELEMNT Bolt GPS Bike Computer, Stealth Black
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Another good thing about this device is a high-quality battery that lasts for 12 months.

Also, the manifaturer made it using sturdy and waterproof materials to enable it to withstand adverse road conditions, including harsh weather conditions.

Along with timers and your clock functioning, you will get a mileage tracking function. More so, it has full integration with Strava which effectively track your overall fitness progress.

3. Polar V650 bike computer

Our Independent Rating

Why We Pick This?

This model provides a combination of all the essential features that a cyclist enthusiast requires to boost their performance. One of the best things about the item is the Training Benefit that gives you motivating feedback immediately after training. Training Benefit tells you precisely what you need to know about the effect of a training session while the Polar Flow web service provides further in-depth analysis.

Polar V650 Cycling Computer comes with lots of features for its price tag. This high-quality device helps you to analyze each aspect of your work out.

Its GPS uses OpenStreet Map and allows you to upload routes. You can conveniently trail your trip with a Cohesive GPS and attain the most precise elevation data using the inherent barometric pressure sensor.

With a large 2.8-inches colored touch screen, the cyclist can easily monitor training data while at high speeds.

It has been made using IPX7 water-resistant material to ensure you don't have to worry when riding on any weather condition.

For devices with a software version of above 1.2, the V650 has free maps that you only need to enable.

After you allow the maps, you will view your position and course on a map during your trips. Its rechargeable battery is long-lasting with a 10 hours battery life in training mode.


  • GPS navigation
  • Large screen display
  • Touchscreen
  • Simple to use
  • Affordable


  • Requires smartphone sync
  • Offers limited navigation

You can quickly recharge it with a standard micro USB cable. The Polar V650 features a modifiable bike stand that resolutely fits round the handlebar.

With this device, you don't have to worry about riding late in the dark. It comes with front-mounted LED light that mechanically turns on dark conditions that improve visibility, letting you to be perceived when cycling in the dim.

It has a Smart coaching app that gives feedback immediately after rides while also calculating rest requirements and training load.

POLAR V650 Cycle Computer
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This app will help you determine your most effective pedaling rate while measuring your distance and speed accurately.

This device provides an astounding amount of data, which is honestly excessive for a beginner. Overall, this is a worthy unit that comes with a few flaws.

It will offer you with a wide range of data to help take your riding into the next level.

4. Garmin Edge 1030 Bike Computer

Our Independent Rating

Why We Pick This?

This bike computer is designed explicitly for pro cyclists. Pro cyclists should consider acquiring this Garmin model because the TrainingPeak preloaded app offers many features for professional workout and training, including turn-by-turn directions and new navigation alerts.

The Smartphone-sized Garmin Edge 1030 is among the best GPS cycling computers for bike enthusiasts or at least the most powerful.

This 3.5-inch device offers everything from comprehensive mapping, ability to communicate with electronic groupsets, and other Garmin Edge 1030 devices as well as data analysis.

Similar to other modern GPS devices from Garmin, you can pair this device to your phone hence offering you with texts and call notification. One can also reply using a pre-written text with just one touch.

Another exciting feature on this device is the Popularity Routing function that collects all Garmin Connect data to provide a live heat map of the popular routes.


  • Comes with tail lights that work with your route.
  • Has long data retention for better training, history, and navigation.
  • The package includes screen protectors.


  • It’s costly.

The extensive data tracking allows you to track your history from courses, paths, and training information to view how you have scaled up over time.

The Strava Segment app will enable you to compare your performance with other users in real-time.

Garmin Edge 1030 has been designed with the rider’s safety in mind. It is compatible with the Varia Safety system, which is a rear view radar that detects approaching vehicles.

It is also compatible with smart bike lights, the super Garmin Vector 3 pedals, and all the ANT + fitness devices.

Even better, the device comes with a USB charged battery that allows you to charge it using a battery pack or a basic solar panel.

The physical unit of this device has an excellent resolution and durability, and the screen protectors that come with it are like adding a bulletproof glass to your device.

5. Garmin Edge 830 Cycling Computer

Our Independent Rating

Why We Pick This?

If you are seeking for a bike computer with wifi connectivity, this is the right device for you. The Edge 830 features both Bluetooth connections and onboard WIFI enabling it to pair with any WIFI network. Immediately it connects; the device automatically links to Garmin’s server where it syncs with your device.  When WIFI isn't available, and you have your phone, you can use Bluetooth to connect the device to the internet via a smartphone.

Garmin Edge 830 is a true class-leading GPS that provides lots of useful functions above and beyond its competition. This device comes with plenty of features to help you do anything. This new device even supersedes the famous and top-performing Edge 820.

This device comes with an array of impressive features that most cyclists wish for. One of the notable features is the bigger 2.6-inch screen that gives you a clear display of data even on a fast ride.


  • Touchscreen works perfectly.
  • Good size screen.
  • Compatible with Bluetooth and wifi connectivity.


  • Route creator doesn’t always select the most appropriate routes.

When it comes to mapping and route-finding performance, this device comes with fantastic turn navigation.  You can use this advanced Garmin Cycle Maps feature to ride like a local, on and off-road maps.

This bike computer comes with a large display that allows easy reading even when riding. Another great thing about this unit is the long battery life. The device gives you a long run time from the display and sensor if you activate either for an hour daily. its IPX7 standard water-resistant design ensures you can use it in any type of weather.

Garmin Edge 830, Performance GPS Cycling/Bike Computer with Mapping, Dynamic Performance Monitoring and Popularity Routing
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Cycling safety features include new bike alarm, incident detection, group messaging, and tracking as well as compatibility with Varia. The rearview radar and lights help you to be seen while also boosting your visibility.  In general, it has been designed for cyclists who want to make the most out of every ride.

6. Garmin Edge 130 Bike Computer

Our Independent Rating

Why We Pick This?

With Bluetooth and ANT+ equipment such as cadence sensors, power meters, and heart rate monitors, this is a simple but handy bike computer.

It is time to receive instant data and automatic street cred with the stylish and elegant Edge 130.

This compact cycling computer has everything you require to navigate your ride, monitor your statistics, and stay connected with your friends from Bluetooth features to superior screen readability.

This is all contained in this compact device that goes where you go without weighing you down.

Garmin Edge 130, is a competent yet straightforward bike computer. The device comes with ANT + sensors that enable it to track speed, distance, elevation, cadence, and heart rate.


  • The screen is easy to read.
  • Comes in the right size.
  • Highly responsive buttons.


  • Navigation could be more user friendly.

It has a dimension of 40 by 62 by 17 mm, which is relatively small as these devices go but still comes with a 1.8 -inch screen, which is decently large.

The model is also lightweight, weighing 33g. The manufacturer claims that the product boasts of 15 hours of battery life.

This model uses buttons as a substitute of a touchscreen, which makes it easier to operate.

Garmin Edge 130, Compact and Easy-to-use GPS Cycling/Bike Computer (Renewed)
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You can change the data fields in a breeze, which is possible even fast on the ride.  It is an easy-to-read screen; this is one of the most customizable bike computers compared to the rest using free apps, data fields, and widgets.

Despite its small screen, the screen display is sharp and clear for you to read about five running data fields.

This slender bike computer contains all the basic and modern features such as incoming text, call, and automatic uploads, and the easiest to read display you will ever find in a bike computer.

7. LEZYNE Mini GPS Cycling Computer w/Mount

Our Independent Rating

Why We Pick This?

One of the best features of this bike computer is that you can track it all with Strava and watch yourself live to keep your KOM's in any segment that you want.  Purchase this cycling computer and start enjoying your rides with ease.

Start tracking your rides this season by grabbing this Lezyne Mini GPS Computer. With this device, you can really get the most out of your bike using its perfect navigation feature and a customizable stat list. 

This device enables you to connect to Bluetooth heart-rate monitors, cadence sensors, and power meters. You can also connect it to Lezyne's smartphone app to allow you to receive messages on the Mini GPS model and upload your rides to Strava. You get all the features available in other brands that could be priced two times higher.


  • Waterproof.
  • It’s cheap.
  • Sync with Strava.
  • Great usability and easy address entry on the go.


  • It is not compatible with the ANT + speed sensor.

Although the screen is a bit small with a dimension of 22 by 26 cm, you can set it to display two to four metric data fields simultaneously, which makes things easy to read. You can customize the screens to display data on speed, distance, time, temperature, and elevation. It really excels in showing the exact metrics that you need anytime as you ride.

When it comes to different climatic conditions, this device is waterproof hence shielding it from elements such as rain, sun, and dust. You can comfortably use the device even in the event of a heavy downpour.

LEZYNE Mini GPS, Black, One Size
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The device comes with one lithium Polymer Battery which is long-lasting enough to keep you on the ride with the need for regular recharging. The battery lasts for about 12 hours of continuous use plus a low battery indicator to warn you when the battery is low. The smaller screen also contributes to maintaining reasonable battery life.

8. Garmin Edge 25 Cycling GPS

Our Independent Rating

Why We Pick This?

Unlike a phone, you can use this device for about 8 hours without worrying about data or battery drainage. You can be able to track distance even under the dense tree cover. It is also compatible with Garmin CONNECT TM which enables you to compare and analyze data statistics.

This is another great cycling computer in line from Garmin, by far one of the renowned electronic manufacturers in the market.  Weighing just 0.9 oz, Garmin Edge 25 Cycling GPS is one of the most compact cycling computers worldwide that is excellent for making the most out of your ride.

Garmin is the sole company that has integrated the GLONASS system in this Edge 25 model. This system operates hand-in-hand with the built-in GPS technology to offer you a live satellite feed of how fast or far you cycle and how to use satellite configuration to fill you in on your cycling location.


  • Lightweight and easy to install.
  • Its small and compact.
  • Easily connects to an ANT+.


  • It is costly

Although the Garmin Edge 25 lacks a heart rate monitor, it is compatible with ANT+. As soon as it connects to an ANT+ device, you can view your heart rate, track your cadence, and monitor speed.  Pairing the device with Garmin Connect Mobile makes it easy for you to share your cycling data with your friends and family members in real-time through social media.

Garmin Edge 25 Cycling GPS
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9. CAT EYE - Strada Wireless Bike Computer, Black

Our Independent Rating

Why We Pick This?

You can set the odometer manually after charging the battery. This allows you to save your mile so that you won’t have to lose the hard-earned miles. Additionally, you can easily switch between bikes by programming them into your Cat Eye computer.

CAT EYE - Strada Wireless bike computer is a great and budget-friendly computer that gets the job done. Featuring a bright display, cool inbuilt features, and a weight of only 0.8 ounces, this device is a build of its quality. It has excellent wireless functionality with the separate chainstay-mounted transmitter attaching easily.

The device is highly reliable in monitoring cadence with an additional heart rate monitor, enabling you to track your workout in even more important details. It also measures the total number of calories burned.  The bike computer allows you to customize your display to show the data you want to see and hide the rest.


  • Waterproof so that you use it even in the rain.
  • Comes with eight modes for you to get the most out of your rides.
  • Easy and fun to use.
  • Wireless speed sensors.


  • Switching from one mode to another can be tedious.
  • The heart rate monitor is sometimes inaccurate.

The system comes with eight modes, each playing a unique role that you will find useful when cycling on different trails. At the very least, the device displays total distance covered, speed, heart rate, race arrow, and cadence. These data are useful in analyzing your performance after every ride.  Its excellent timer allows you to split time so you can compare leg to leg stats.

Are you stopping over for a cup of coffee? You don’t have to worry. This device has an Auto Start and auto-stop feature that knows when you have stopped. It automatically stops to count time and averaging the speed and starts over when you start your ride.

CAT EYE - Strada Wireless Universal Bike Computer CC-RD310W-U
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There you have it. Our list of best bike computer for 2021. 

As you’ve seen bike computers vary quite a lot in their functionality.

Now, while all the above models have a similar principle of operation, they’re quite indifferent in their performance, which makes some better suited for your needs than others.

Go through the list, and pick a model that you feel will address you biking needs.

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