The 510 is my first Garmin product. Previous to this I'd spent the past 8 or so years riding with a Polar 725 watch / heart rate monitor.
I was looking for a number of things going in to this purchase:
1. Simplicity
2. Heart rate measurement
3. Speed measured based upon GPS, rather than a wheel magnet and sensor
4. Reliable altitude and temperature measurement
5. Reasonable form factor, i.e. smaller than a smart phone
6. Ease of integration on to a variety of different bikes
7. Ease of operation while on the bike
8. Mapping of rides
9. Ability to ride to pre-defined courses
Being that I'd recently purchased some 3T Integra stems (which have the option of an integrated Garmin Edge specific integrated mount), I was predisposed to looking at a Garmin for the first time.
I'm extremely happy with the 510. While researching this device I'd read some reviews where people had problems with altitude accuracy and not being able to read the screen in daylight, which made me a little nervous about what I was really going to get with the device. Neither of these have been problems for me. I live in Southern California, where it's obviously very bright nearly all the time. I find the screen extremely clear and easy to read. Altitude seems to be very accurate.
So far, the 510 has met all of my objectives. I highly recommend it.
**** Having used this device for a week or so, and having read many of the comments from others, I'm adding some comments here on the display. Hopefully these comments help to provide a little more balanced review of what the display is and isn't:
The display on the 510 is clearly a reflective, rather than backlit LED or LCD display that we're all used to on our TVs or smart phones.
What this means is that each pixel on the display is positioned by the display driver to reflect light at a particular wavelength, thus creating the color that enters your eyes. The good news on this type of display is that it's incredibly energy efficient. This is because unlike an normal display that needs to spend energy on every pixel many, many times per second - regardless of whether the pixel needs to display a different color or not, a reflective display only needs to put energy in to a pixel when the color of that pixel needs to change. Once a pixel position is set, no energy is required to be put in to that pixel again, unless the color needs to change again.
The bad news about this type of display is that it is only as bright as the light that it is supplied with.
The net is that the 510 display works great in ambient sunlight. Unlike your smartphone, the display will never be washed out, no matter how bright the sunlight might be. I've ridden in both bright sunlight and cloudy daylight and the display works great. People who are complaining about this display in the outdoors must have not positioned their Garmin in an adequate way on their bike.
Where the display struggles is in interior light. If you plan to use it on a trainer or rollers, expect to turn the "backlight" (really a front light, since the display needs light to reflect back to you) on full time during your workout. Not a problem in that the front light can stay on for hours without killing the battery. Just click the power button and select to not turn the "backlight" off and you'll see the display perfectly fine in interior lighting.
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This Item  Garmin Edge 510 GPS Bike Computer with Heart Rate Monitor and GSC 10 Speed/Cadence Sensor | Recommendations  | |  |  |  | |
| Price | Currently unavailable. | $449.99 | $579.99 | -27% $319.95 New Price: $439.99 | $354.99 | -13% $69.99 List: $79.99 |
| Delivery | — | Get it May 21 - 22 | Get it May 20 - 21 | Get it as soon as Monday, May 12 | Get it as soon as Monday, May 12 | Get it as soon as Wednesday, May 14 |
| Customer Ratings | ||||||
| Sold By | — | Line Wolf | Line Wolf | Bulkbuy Partners | Sports-and-Gadgets | Geoid Fitness |
| control method | touch | touch | touch | touch | touch | — |
| resolution | 176 x 220 pixels | 200 x 265 | 246 x 322 | — | 480 x 272 | — |
| mounting type | Handlebar Mount | Wrist Mount | Wrist Mount | Handlebar Mount | Handlebar Mount | Handlebar Mount |
| batteries included | ✓ | ✓ | ✓ | ✗ | ✓ | ✓ |
| battery average life | 15 hours | 26 hours | 26 hours | 40.0 hours, 20.0 hours | 26 hours | 24 hours |
Product information
| Product Dimensions | 3.4 x 0.9 x 2 inches |
|---|---|
| Item Weight | 2.8 ounces |
| ASIN | B00APBMNP4 |
| Item model number | 010-01064-01 |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Customer Reviews |
3.6 out of 5 stars |
| Best Sellers Rank | #794,416 in Electronics (See Top 100 in Electronics) #483 in Cycling GPS Units #9,722 in Electronics & Gadgets |
| Is Discontinued By Manufacturer | No |
| OS | Windows |
| Connectivity technologies | Bluetooth, USB |
| Special features | Lightweight, Water resistant |
| Other display features | Wireless |
| Human Interface Input | Touchscreen |
| Scanner Resolution | 176 x 220 pixels |
| Color | Black |
| Whats in the box | Garmin Edge 510 GPS Bike Computer |
| Department | unisex-adult |
| Manufacturer | Garmin |
| Date First Available | January 7, 2013 |
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- Reviewed in the United States on June 9, 2014
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