Modern bike computers offer so much information at our fingertips, it's really pretty amazing. Between route mapping, rider data analysis, and keeping connected with fellow riders and friends and family, today's computers keep us from getting lost, give us the ability to train more effectively, and ride safer. The Edge 520 Plus Bike Computer from Garmin continues the tradition of packing powerful data-sending and-receiving units into small packages that are chock full of bike-specific functions and metrics. The Edge 520 Plus comes preloaded with full-color Garmin Cycle Map and Strava Live Segments with turn-by-turn directions so you can discover new rides and challenge yourself against personal bests and other riders' segments. It also has a function to get you back to your starting point if you happen to get off course or need to call it a ride early. Another feature that we're really excited about is the ability to message rider to rider without having to use our phones. So, if you get dropped or are doing the dropping when paired with a compatible smartphone, you can send prewritten notes from this Edge 520 Plus to their compatible Garmin device. It's also helpful if you have a mechanical and realize that CO2 cartridge in your seat bag is spent, and you need the group's assistance, if they're paired with GroupTrack, they can easily find you. It's also compatible with Garmin's Varia line of cycling awareness devices such as its rearview radar and smart bike lights sold separately. When paired with these devices you get alerts on the display of approaching cars as well as helping drivers see you. Like most modern computers, this device is compatible with ANT+ sensors which include speed, cadence, powermeter, and heart rate monitors so you can keep track of every mile, pedal stroke, watt, and heartbeat. If using Garmin's own Vector 3 pedals, sold separately, data such as total power, left/right balance, and cadence are available. You can even look at cycling d...