Garmin Edge 520 vs Wahoo ELEMNT BOLT

Portable Emergency AA Battery Charger Extender suitable for the Garmin EDGE 500 This comes highly recommended by other randonneurs. I wonder if it works with the Edge 810? http://www.gomadic.com/garmin-edge-500-portable-aa-battery-extender.html Andrew Mead says:  I start with the Gomadic plugged in so the Edge draws external power first and doesn’t put the AAs into a high current…

Ridewithgps are about to begin using a new elevation calculation method that provides more accurate figures. Additionally, all existing routes and rides will be updated to use the new calculations. It will be interesting to see how they will compare with others such as OpenRunner which often shows much lower estimates.

Delorme inReach combines GPS navigation and emergency communications The all-new DeLorme inReach Explorer combines the satellite communications functions of past inReach mobiles with a full GPS navigation feature set. A single handheld unit serves as a GPS navigator, backcountry communications device and emergency rescue beacon all rolled into one. Read more about the new DeLorme inReach Explorer…

DC Rainmaker has a mine of information on his site. The latest tip I have come across is how to set up a personal startup message on a Garmin Edge.

I just came across an excellent article on how to download free maps to your Garmin Edge 705/800/810 OpenStreeMaps are easy to order from this site http://garmin.openstreetmap.nl/ and DCRainmaker tells you how to get them onto your map-capable Garmin device here: http://www.dcrainmaker.com/2013/05/download-garmin-705800810.html

A comprehensive review of the current offerings here: Best GPS devices for cycling Bikeradar’s review of  the best units for riding, training, touring and navigation Update: Keep an eye on the forthcoming Hammerhead Karoo