Bike Forums - View Single Post - speed sensor issue with Garmin 800

05-26-16 | 03:33 PM

#6

Steve B.

Senior Member

Joined: Jul 2007

Posts: 8,631

Likes: 3,543

From: South shore, L.I., NY

Bikes: Trek Emonda SL7, Cannondale Topstone, Miyata City Liner, Specialized Chisel, Specialized Epic Evo

Quote:

Originally Posted by Seattle Forrest

I had the old, magnet-based GSC-10 and still have my 800. I was never able to get the speed sensor to work reliably, it would often display zero. I ultimately gave up and have been using GPS for speed ever since, with no ill effect.

Learn my on the need for a speed sensor ?.

I kept my Cateye sensors on my bike when I added a Garmin 810 and do notice that there's a slight lag on the 810, maybe 3-5 seconds at best ?, of current speed. Distance seems to be off about a mile in 100 and the auto-stop/start is different as well, so I guess ride distance/time/avg. is different, but somewhat a "so what".

So why do these exist ?.

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