This is an ongoing comparison of features between the newer Garmin zūmo zūmo 660 and the very capable Garmin zūmo zūmo 550. Comparing the two GPS unites reveals a few observations. As usual, the ...
Editor's note: the new Garmin Edge 550 and 850 bike computers have now officially launched. Read our news coverage here. It’s been a hot time for new bike computer launches lately, but we’re still ...
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