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Best Mountain Bike GPS – Top 5 Models For 2023!

A good GPS unit can help to enhance your riding pleasure and give you information to see what is coming ahead on the trail or roadway. It is best to match the unit to the bike and rider. Trying to locate the best GPS for a mountain biking is easy when you have all of the information presented to you.

Balancing what you need and what you want in a GPS unit must carefully be observed in order to purchase the right unit that is best for you and your riding style. Below I have reviewed several GPS units for you and your mountain bike ride when on a trail or roadway.

Best Mountain Bike GPS - Comparison



Display Size

Battery Life


Magellan CY0315SGHNA Cyclo 315hc GPS Cycling Computer



Garmin eTrex Worldwide Handheld GPS Navigator





POSMA DB2 Bluetooth GPS Cycling Bike Computer





Garmin Edge 520 Bike Computer





Bryton Rider 100 GPS Cycling Computer





Best Mountain Bike GPS
- Reviews

In the guide that follows, I review five of the most popular GPS for mountain biking out there, keeping each of these considerations and others in mind. Pick a GPS that is right for you from the list below.

1. Magellan CY0315SGHNA Cyclo 315hc GPS Cycling Computer

Magellan CY0315SGHNA Cyclo 315hc GPS Cycling Computer Review

The Magellan GPS unit provides excellent data for the bike rider and also includes a Cyclo 315hc heart monitor and speed/cadence sensor. This monitor has the ability to assist you in your ride by giving you the information displayed on a sturdy touchscreen system.

This unit is rugged and tough with a water-resistant surface and can withstand any type of terrain. The large buttons on the unit make it easy to navigate the console while riding, allowing you to retain maximum control while inspecting the information.

The Magellan has built inside of it, over 130 ANT plus sensors that gather the data and can record and read the shifting information from a Di2 electronic system with a Di2 Wireless unit and D-Fly. All of the data is presented to the rider by gear position through a chart/graph.

The unit also includes showing the battery information and alerts as well. You will never get lost in the dynamic information that this unit provides to the biker. It comes with a complete database of USA roads connecting with a network that gives audible turning instructions.

This unit is programmed with Open Street Maps (OSM) with all of the information that you will need including cycle lanes, cycle tracks, and bike shop POIs. You will be able to locate new adventures with this GPS unit as it displays new roads and trails for you to challenge.

Important Features:

  • Displays information on a touchscreen unit for easy control
  • Weather resistant and rugged enough to be on the most difficult of trails
  • Audible turning instructions to make it easy to find your destination

2. Garmin eTrex Worldwide Handheld GPS Navigator

Garmin eTrex Worldwide Handheld GPS Navigator Review

This rugged GPS unit is tough and ready to handle any type of scenario that the rider may decide to travel. The Garmin eTrex is designed with a worldwide base map that is displayed on a 2.2-inch monochrome screen. This unit has everything that you need to acquire all of the information that you need to handle your journey.

With a WAAS-enabled GPS receiver with a Hotfix and GLONASS support, you will be able to find your location quickly without any complications. You won’t have to worry about losing your signal as the Garmin has a reliable signal that won’t leave you stuck in the unknown.

You can take this unit out into rough weather as it is waterproof to IPX7 standards and can withstand various situations. You won’t be hindered and limited to this unit in your hand.

The Garmin is powered by two AA batteries that can last up to twenty hours allowing the rider to indulge in their voyage as they confidently explore new settings with their bike.You can even calculate high and low elevation points or gather information on waypoints along a trail. 

This is a good way for the rider to estimate time and distance on their travels. This unit also has the extra added features of paperless geocaching and Garmin spin-mounting accessories. The Garmin is ready for all of your biking needs and the design is created to be able for you to hold onto it with a nice tight grip.

Important Features:

  • This unit has a WAAS-enabled GPS receiver with Hotfix and GLONASS support
  • The Garmin is waterproof and can withstand many different environments
  • Only needs two AA batteries to operate

3. POSMA DB2 Bluetooth GPS Cycling Bike Computer

POSMA DB2 Bluetooth GPS Cycling Bike Computer Review

The POSMA DB2 will give the rider the navigation that they need while riding. Designed to deliver quality data, the ANT plus wireless technology will always keep you ahead of the game while riding any type of trail. This unit is compatible with both Windows and Android operating systems showing how versatile the POSMA can be.

You won’t have to worry about seeing the unit in day or night with a high-resolution anti-glare display for daytime riding and a LED backlight that is a value when riding at night.

The POSMA DB2 is ready for those long rides out on the trails and road with a long lasting battery that extends up to twenty-five hours with the backlight off. The unit can provide up to eighteen different types of sport’s data including average speed, time, date, trip, altitude, and total distance.

The rider will have a full command of all of the data that is offered by the unit, allowing the rider to get the most out of their ride. This unit can record and track their route and review the information when the ride is finished.

This allows the biker to share their riding data with others, allowing them to enhance their riding experience. This GPS unit also comes with metric and imperial unit conversion for increased versatility. The POSMA is already ready for the ride and will help you to enhance your ride with its features.

Important Features:

  • Good for riding in the day or night time with its multi-purpose display
  • Has eighteen different settings for sport’s data
  • Can interpret Metric and Imperial data conversions

4. Garmin Edge 520 Bike Computer

Garmin Edge 520 Bike Computer Review

The Garmin is here to provide you with the best in data presentation when it comes to you and the trails and roadways that you will discover. The unit offers In-Ride challenges and Strava live segments allowing the rider to get the best out of the device.

This GPS unit will give the rider accurate information pertaining to cycling-specific VO2 max and recovery time when used with the power and heart rate. Know all of the information that you need while riding on the trails.

The unit also has the advantage of being able to pair with a compatible ANT plus indoor trainers for full displaying of the data without a loss of control or function. The Garmin Edge 520 Bike GPS provides and tracks functional threshold power (FTP) and can also record cycling dynamics when it is used with the Vector or Vector 2 power type meters.

This GPS unit also comes with automatic uploads, live tracking, send and receive courses, social media sharing, weather, and smart notifications. This unit makes a good companion while out on the road and the device doesn’t even need a speed sensor if you are outdoors while the GPS mode is on.

This unit will automatically track the progress, but if the unit is inside on a trainer, then you will need an extra sensor input. With this unit, the biker can plot their whole trip out without complicated guesswork.

Important Features:

  • Offers In-Ride challenges and Strava live segments
  • The unit allows the rider to track multiple parts of their ride for later review
  • This unit comes with social media sharing as well as other features that will enhance the ride

5. Bryton Rider 100 GPS Cycling Computer

Bryton Rider 100 GPS Cycling Computer Review

The Bryton Rider is ready for the avid rider who is serious about their biking experience. This unit has a dedicated GPS Cycling Computer that is ready to display information accurately without complications to the rider.

The Bryton is always accurate with its data boasting a powerful high-sensitive GPS receiver for finding your location quickly.

The unit can be taken out for the ride no matter what conditions are presented. Water resistant and resilient, this unit is ready for all bikers no matter where they plan on going. Made with an IPX7 waterproof material, this unit is strong and durable in any type of environment.

The display is easy to read and gives the rider all of the accurate information that they need to enhance their ride. The display is large and projects the data clear enough for the rider to detect while on the trails and roads.

The Bryton has seven different levels that can be customized to your specifications to display data. It also has up to five different data points per page when being browsed. The unit is small and lightweight and can be carried easily to any location while riding.

You will never go wrong with the Bryton Rider 100 GPS Cycling Computer. This unit can even display information in MPH, showcasing the versatile nature of the Bryton Rider 100 GPS Cycling Computer, no matter where you decide to travel.

Important Features:

  • This unit has a good GPS Cycling Computer that displays data accurately
  • IPX7 waterproof guarantees that the unit will be durable in any environment
  • The display is easy to read and large

Things To Consider Before Buying A Mountain Bike GPS

  • When trying to find a good GPS unit, there are several factors that must be pointed out. The strength of the signal that is receiving the data is important, without this feature, the GPS data will not be displayed.
  • A good receiver is needed especially if you are going to be riding in some of the more remote trails. The unit must also be durable and be able to withstand the many environments that it will present. If the unit breaks down while riding, then you have a useless GPS unit.
  • A strong unit must be able to handle a rough terrain in order to keep up with the rider. When the data is displayed, what type of information is being sent to the biker? Some GPS units will display several types of information and track that information to be reviewed later.
  • This also points out another key issue and that is tracking the information. Tracking is an important feature allowing you to enhance your riding skills.
  • Some GPS units can even open up new trails and roadways to explore, allowing the biker to expand their field of interests to other locations.

Our Final Word On GPS Units for Mountain Biking:

Our choice for this review is The POSMA DB2 Bluetooth GPS Cycling Bike Computer because of its various features and dynamics. This GPS unit allows the bike rider to get the most out of their riding pleasure with several settings and a battery that can stay charged up to twenty-five hours.

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