How often?
#2
Senior Member


Joined: Jul 2007
Posts: 8,596
Likes: 3,524
From: South shore, L.I., NY
Bikes: Trek Emonda SL7, Cannondale Topstone, Miyata City Liner, Specialized Chisel, Specialized Epic Evo
After 7,454,000 revolutions.
Or when it’s not connecting, which ever comes first.
Or when it’s not connecting, which ever comes first.
#3
Facts just confuse people




Joined: Jul 2017
Posts: 19,245
Likes: 7,015
From: Mississippi
Bikes: Tarmac Disc Comp Di2 - 2020
As said, when it's not connecting anymore or you are getting readings that don't make sense from it.
If the possibility that a few rides with bad readings are going to spoil you fun, then change it as often as you care too.
I have two garmin GSC-10's. Anywhere from as little as a year to as many as 3 years is what I'm getting between the two bikes I have them on.
If the possibility that a few rides with bad readings are going to spoil you fun, then change it as often as you care too.
I have two garmin GSC-10's. Anywhere from as little as a year to as many as 3 years is what I'm getting between the two bikes I have them on.
#4
Senior Member


Joined: Jul 2007
Posts: 8,596
Likes: 3,524
From: South shore, L.I., NY
Bikes: Trek Emonda SL7, Cannondale Topstone, Miyata City Liner, Specialized Chisel, Specialized Epic Evo
One way to find out if it's connecting is to ride a short distance with GPS turned off, watching for a speed indication. If it's working you'll get a speed on the head unit.
FWIW, I'm about 2 years on my original, still works.
FWIW, I'm about 2 years on my original, still works.
#5
- Soli Deo Gloria -
Joined: Aug 2015
Posts: 14,779
Likes: 743
From: Northwest Georgia
Bikes: 2018 Rodriguez Custom Fixed Gear, 2017 Niner RLT 9 RDO, 2015 Bianchi Pista, 2002 Fuji Robaix
If you ride lots of miles then do it when you change the batteries in your smoke detectors.
If you don't ride that much then do it as part of your end of winter cleaning and spring tuneup routine.
If you don't ride that much then do it as part of your end of winter cleaning and spring tuneup routine.
#6
Senior Member



Joined: Aug 2010
Posts: 12,717
Likes: 2,104
From: Madison, WI
Bikes: 1961 Ideor, 1966 Perfekt 3 Speed AB Hub, 1994 Bridgestone MB-6, 2006 Airnimal Joey, 2009 Thorn Sherpa, 2013 Thorn Nomad MkII, 2015 VO Pass Hunter, 2017 Lynskey Backroad, 2017 Raleigh Gran Prix, 1980s Bianchi Mixte on a trainer. Others are now gone.
I usually get 4 to 5 years out of an old wired bike computer. My VDO wireless computer, the sensor batteries I replace about once a year. Different brands have different life spans. And I usually find that I have to change them in the fall when they are exposed to colder weather.
I wait for one go to bad, then usually do both sensors at that time. I buy CR 2032 batteries in bulk, I probably use a dozen or more batteries a year.
I wait for one go to bad, then usually do both sensors at that time. I buy CR 2032 batteries in bulk, I probably use a dozen or more batteries a year.
#8
Banned.
Joined: Mar 2018
Posts: 0
Likes: 0
**** **** **** **** **** , DID I JUST BRING POLITICS INTO THIS, **** **** **** **** **** ****
#9
Thread Starter
Its only pain
Joined: Oct 2004
Posts: 930
Likes: 4
From: Hammond, WI
Bikes: '18 Salsa Marrakesh, '14 Salsa Colossal, '89 GT Timberline
I also have the Garmin 520. I used to change every year with the 500. I ride 3000-3500 miles/yr. I was not aware the 520 would let me know. Thanks!
#10
Senior Member


Joined: Jun 2011
Posts: 5,585
Likes: 122
From: Tampa, Florida
Bikes: 2017 Colnago C-RS, 2012 Colnago Ace, 2010 Giant Cypress hybrid
If you have the CGS 10 sensor, you’ll know when the battery is low or dead when the cadence sensor starts to drop connection or stops working. Using speed won’t help you because the GPS will continue to display speed data even with a weak or dead sensor battery.
#11
Thread Starter
Its only pain
Joined: Oct 2004
Posts: 930
Likes: 4
From: Hammond, WI
Bikes: '18 Salsa Marrakesh, '14 Salsa Colossal, '89 GT Timberline
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