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The accessories included with this GPS help it – and you – achieve your full potential. Two ANT+™ sensors track heart rate, speed and cadence precisely. A pair of mounts lets you position all the info where you can read it best. Plus, the 510 hooks up with your smartphone to let you access live tracking, social media and weather updates. Ongoing software upgrades let it work with an ever-expanding range of devices and accessories. As of January 2015, the 510 is compatible with Garmin’s Vector power meter and Shimano Di2 systems, and more capability enhancements are in the works.

Touchscreen operation.

GPS receives signals from both US satellites and the Russian GLONASS network, for faster, more reliable acquisition in canyons or amongst buildings.

Custom profile settings let you get the right data for training or race day.

Virtual Partner® function lets you train against a digital person and your own previous runs.

Records distance, speed metrics, ascent or descent, and grade.

Includes ANT+ heart rate monitor and speed/cadence sensor.

Garmin Connect mobile iOS® or Android™ app delivers ride data while saving your phone battery.

Data can be sent to your phone via Bluetooth® and shared with friends, family and social media.

Receives real-time weather conditions, forecasts and alerts in areas with coverage.

Tech specs

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Ideal for
  • Road cycling
  • Cycle touring
  • Cross-country riding
  • Cycle training
Display dimensions 4.4 x 3.5cm
IPX rating

Indicates the degree of protection against liquid. IP X1: Dripping water while in normal operating orientation; IP X4: Splashing water; IP X5: Water jets; IP X6: Powerful water jets; IP X7: Immersion up to 1m ≤ 30 minutes; IP X8: Suitable for submersion as specified by manufacturer.

Built-in memory 9.5MB
Dimensions 8.6 x 5.2 x 2.4cm
Countdown timer Yes
Stopwatch No
Electronic compass

An electronic compass allows the user to view their heading in situations where they are either standing still or moving too slowly for the GPS to detect.


Waypoints consist of a standard set of coordinates (two for land, three for air or space) that identify a specific physical location. A route is navigated between two or more waypoints.

Display type Transflective colour TFT touchscreen
Metric/imperial units format Yes
Interface USB
Power meter

Displays output in watts as you ride.

Sold separately
Unit to unit transfer

Shares data wirelessly between compatible units.


A basic set of map data that is included with the GPS. Basemap detail may vary from unit to unit.

Battery power indicator Yes
Data card Not accepted
Low battery warning Yes
Calorie consumption

Calculated based on data from a heart rate monitor.

Garmin Connect

An online community where members upload, analyze and share activity data.

Add maps capability

These units allow you to add maps, so you can mark and name waypoints and create routes on your PC, and then upload the map of your choice to your GPS.

Programmable workouts

Want an easy jog? A fast-paced ride? A workout with lots of variety to keep you on your toes? With programmable workouts you can tailor your training to match whatever you are looking for on a particular day.

New lap auto start

Automatically triggers a new lap after reaching a specified difference.

Heart rate monitor Yes
Touch screen Yes
Heart rate target zones

Displays heart rate zones during activity.

Barometric altimeter

Barometer function helps forecast weather trends. An altimeter can provide one line of position for location on a topo map, useful if the GPS isn't working.

Coded signal

A coded instrument ensures no interference between your chest strap and your watch, necessary if you are training in busy gyms or trails where other signals may be encountered.

Workout history Yes
Distance/time alarm Yes
Interval training Yes
Button lock No
Batteries Rechargeable battery pack (non-removable)
Routes 0
Auto pause

Automatically pauses timer when you stop or go below a specified pace.

Virtual partner

Allows user to monitor training goals with either a virtual partner or alarms.

Heart rate in real time

Displays beats per minute during activity.

Pause timer

Pauses the timer when slowing or stopping, and automatically resumes when moving again.

Pace alarm

An alarm that notifies you if you vary from a pre-set pace.

Speed/cadence sensor

Monitors pedalling cadence and measures pedalling strokes per minute.

ANT+ compatible

Ensures seamless digital wireless communication between ANT+ devices. For example, data from an ultra-low power wireless sensor can be displayed on a bike computer or smartphone, then downloaded to a PC, etc.

Battery life 20 h
Chest strap Included
Made in Taiwan