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Item # GRM004T

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Item # GRM004T

Exclusive and accessorized.

By adding a heart rate monitor, speed sensor, and cadence sensor to the already revolutionary functionality of its newest Edge head unit, Garmin's Edge 520 Bike Computer Bundle comes ready to take advantage of metrics, measurements, and features that aren't supported by any other Garmin Edge model. The direct connectivity with Strava is even more exclusive: the Edge 520 is the first head unit in the industry to interface directly with Strava segments.

We like the 510's ability to auto-sync with Garmin Connect segments, but let's face it: when it comes to competing for segments, Strava's the real battle ground. The 520's direct connection to Strava gives you an edge in that battle because the segments update live as you ride, simultaneously displaying the stats of your present performance against the current K/QOM and your own personal record in order to help you more effectively portion your efforts. In addition to just being a lot of fun, live Strava connectivity also provides more structure to training and race-prep by keeping you constantly linked to an external referent, allowing for data-parsing and adjustments during the rides themselves, not just in between them.

The list of parse-able, power-related metrics has also expanded compared to the 510, so the data nerds get as much of a win as the Strava junkies. For us, the big star here is that, when paired with Garmin's Vector or Vector 2 power meter pedals, the 520 calculates your functional threshold power (FTP). Once equipped with an FTP, you'll be able to calculate ideally timed and measured efforts for intervals tailored to your own fitness level. Instead of burning out trying to hit arbitrary output numbers, knowing your FTP helps you stay at a level that's more effective for increasing your present level of fitness. After all, the real point of intervals isn't punishment; it's improving. The Edge 520/Vector combo makes that improvement even more efficient.

When it's paired with any other ANT+-compatible power meter and the included heart rate monitor, the Edge 520 still provides VO2 max estimates and recovery time guides. While the former is obviously useful in planning and executing a training regimen, the latter helps to maintain focus on an often neglected part of training: the apparently negative space between workouts. Maximizing recovery is almost as important as maximizing the efficiency of your time in the saddle; however, until recently, virtually all of the training apps and devices also ignored this period, focusing exclusively on the activity portion of training. This feature is just one more way the Edge 520 keeps you focused on improving your form, even if that improvement involves low-key recovery.

In addition to the above new shininess, the Edge 520 Bundle also supports all of the 510's functions. It's compatible with Shimano's D-Fly Data Management system, effectively replacing the PRO Scio ANT+ head unit, and also works with ANT+ turbo trainers. It performs all the basic computer functions — speed, trip time, trip distance, odometer — and the GPS and GLONASS compatibility keeps you located no matter where your ride takes you. It automatically uploads to Garmin Connect, syncs with smart phones for notifications, and displays weather information so you're never out of the loop or surprised by changing conditions mid-ride.

  • Bundle includes: heart rate monitor, cadence sensor, speed sensor, standard and out-front mounts, USB cable, tether, and manuals
  • Displays live Strava updates as you ride
  • Compatible with Shimano D-Fly Data Management system
  • ANT+ compatible
  • Displays functional threshold power when paired with Garmin Vector pedals
  • Calculates estimated V02 max and recommended recovery time
  • Shows weather
  • Can be synced with smartphone
  • Customizable workouts and screens
  • Also measures: speed, distance, trip time, altitude, heart rate
  • Up to 15 hour battery life

Tech Specs

Altimeter:
yes
Heart Rate Monitor:
yes
Wireless:
yes, ANT+
Clock:
yes, 12/24 hour
Battery Type:
lithium ion
Mount Type:
stem (included)
Recommended Use:
cycling
Manufacturer Warranty:
1 year

Reviews & Community

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Avg. ride time: 36m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

It's all about the KOMs.

  • Familiarity: I've used it several times

HA! The words "Steven Sheffield" and "KOM" will never really be found together except in the context of this sentence ... however, we all know that if it isn't on Strava, then the ride didn't happen ... right?

I'll always end up using a dedicated GPS over my cellphone for tracking my rides; it's just more accurate that way. This is my 3rd Garmin, having started with the Edge 300, then the Edge 500.

Love the configurable layout on screen, how vivid the screen is, and the ability to link to my phone via Bluetooth so I can see if a call or text is important enough pull over on the side of the road to take the call or respond to the text.

I also like not having to keep track of yet another cable, in order to get my ride info uploaded to Strava, Garmin Connect, and Training Peaks.

Still working on getting used to the button layout and learning all the features of the 520, but so far, I really like what I see.

Avg. ride time: 2h 31m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Is it the Garmin heart rate and cadence/speed sensors which are included? Or is it a generic?

Fredrik, These come with the Garmin sensors.

Hi Fredrik, the bundle unit includes a heart rate strap, as well as a speed sensor and a cadence sensor. The Bundle also includes an out front Garmin mount in addition to the standard mounts.

Avg. ride time: 3h 2m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Two Different Review Locations?

    This seems dumb there are two different reviews (locations) for this product depending if a bundle or just the 520 unit alone. These reviews really need to be combined.

    STRAVAAAAAAA!

    • Familiarity: I've put it through the wringer

    I have had the Garmin Edge 205, 500, 510, and now the 520. Not gonna lie, I kind of miss the touch screen of the 510 even though it was not the most sensitive of screens. It did make navigating a little easier. And the 500 had adjustable volume, which I have also missed. But the 520 has a much sharper screen and only requires a few minutes to set up before hitting the road and trails.

    I upgraded from the 510 to the 520 purely for the phone notifications. I like being able to know if the text I just heard come in is important or not, without having to pull out my phone.

    The Live STRAVA segments is a pretty neat feature, although when riding trails I will get "off course" notifications due to the meandering nature of trail riding. On roads this has not been an issue though.

    Garmin is at the top of the computer game, quality built, accurate and easy to use. I have tried other bike computers and always come back to Garmin.
    Simply the best.

    If you have any questions for me, I can be reached at FDalmer@Backcountry.com

    STRAVAAAAAAA!

    Correction for Live Segments, I have realized that STRAVA Live Segments alerts you to any segments that you have "starred" on STRAVA. When I deselected the segments, I was no longer alerted to them, so my minor quibble was a result of my own ignorance of the feature.

    Love it

      After a couple weeks with this it really has helped my motivation to push it during intervals. Set it up for your favorite hills and the virtual partner really pushes you. On the uphill it's great on the mountain bike but I rarely look at it going downhill. On the road bike it's easy enough to see on ascent or descent.

      Are you able to print out your workouts? My husband needs one that will be able to proven to get work credit for it. And if so does this one work on indoor trainers?

      if you use garmin connect you can share your rides like this: https://connect.garmin.com/modern/activity/975130097

      Hi Gail,



      Workouts can be uploaded to sites like STRAVA or Garmins own Garmin Connect site. From there you can definitely print a screen shot of a ride / workout. As for indoor trainer use, if you have a speed / cadence sensor like the one that comes in the bundle, you can use this while riding on an indoor trainer and it will track your ride.

      High expectation, adequate performance!

      • Familiarity: I've put it through the wringer

      Just bought this bundle. I've had it for about two weeks now. I was really excited about this computer, as I am a gear junkie; however, the excitement has died in the recent weeks. Why? the computer performs as described, but the directions (very few in my box) are barely sufficient. There seems to be several ways of accessing and performing functions. You can do it in one screen and realize that another screen will get you to the same place. The edge 520 is not intuitive and simple to navigate. Meaning, you have to play with it and familiarize yourself with the variety of functions and tailor it to your needs (courses, segments, displays). The map is barely functional, but (youtube's search of openstreetmaps and edge 520) it can be worked around. I gave it 3 star's because it is exactly that... "Adequate for the Job." If you buy this computer understand that it is a functional bike computer. Don't expect a $400.00 bike computer that will dazzle you, it will not happen. Lower your expectations and buy it for its ANT functions, GPS/GLONASS, and training functions. In all, I wish I was dazzled for $399.00. Lower your expectations and you should not be disappointed.

      NOTE: The screen can be difficult to see in certain daylight conditions. Mine came with out front mount and 2 additional mounts. A full descriptive manual was not included in mine.

      Avg. ride time: 2m per week
      • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

      What's the speed/cadence sensor that this bundles with?

      It comes with the new wireless speed and cadence sensor. Easy install.

      how does the 'grade' function work? what are the data points it uses to calculate the 'grade'?

      I'm not 100% sure but I think it gets explained on DCRainmaker. Great review that's techy and objective.

      Best Answer

      I believe it uses distance and elevation to calculate gradation. In my opinion it works well, but do not expect to get instant results. Meaning, it will take a second or two of riding to calculate the degree. On rolling hills I will notice that the gradient displayed will be already behind by 15 feet. This is not a issue for me and I consider it a reasonable deficiency and would be pressed to find a better computer that can display more accurate results.