View Full Version : bike computer question
mtbdarby
01-02-2007, 12:35 PM
So, with the new year and looking to blast my old mileage record, how do I reset my odometers on my bike computers? Do I have to take out the batteries and reset it or is there an easier way?
SadieKate
01-02-2007, 12:50 PM
Every computer is different. The manufacturers are generally pretty good about keeping instruction manuals on their web sites.
If you log at bikejournal.com, the site will track both lifetime and annual mileage for each bike without needing to reset your cyclo-computer.
mtbdarby
01-02-2007, 01:06 PM
I just updated my bj info - I didn't use it at all in 2006 (sorry!). So I'll need to add up all 3 computers to see what I did last year. That's why I thought it would be easier to reset them all - all 3 different computers. Then I'd know what I did at a glance versus having to be at a computer to know my miles. Thanks, though. Guess I need to look it up.
On many models you have to press two buttons at the same time for a few seconds...
Be aware that you'll have to re-enter your wheel circumference...
SadieKate
01-02-2007, 01:20 PM
On my computers that resets the trip distance but not the total odometer distance.
Taking out the batteries on any computer probably resets the wheel circumference to zero.
jobob
01-02-2007, 01:32 PM
hmmmm ... If you underestimate the wheel circumference, would that make you appear to be going faster than you really are?
:confused:
yes I'm that desperate :D
Duck on Wheels
01-02-2007, 02:49 PM
Quoth jobob: "hmmmm ... If you underestimate the wheel circumference, would that make you appear to be going faster than you really are? yes I'm that desperate"
Ummm, is there a solution there for me too? ... nope. darn. But since distance is number of rotations times wheel circumfr., a circumfr. of 0 would give you a distance of .... zero. Too bad. That won't get me to my goal either. And anyway, I use a gps.
BleeckerSt_Girl
01-02-2007, 03:02 PM
hmmmm ... If you underestimate the wheel circumference, would that make you appear to be going faster than you really are?
:confused:
yes I'm that desperate :D
I think if you set the wheel circum. at smaller than your actual circumf. is, it would make you appear to be going slower than you really are, and it would also make you appear to have travelled fewer miles than you really had.
Veronica
01-02-2007, 03:29 PM
I think if you set the wheel circum. at smaller than your actual circumf. is, it would make you appear to be going slower than you really are, and it would also make you appear to have travelled fewer miles than you really had.
So 700 c wheels really are faster than 650B or 26"! :p :p :p :rolleyes:
V.
SadieKate
01-02-2007, 03:33 PM
Nice logics there, V.
Jo, if you want to get really exact calibrating your compooter, Sheldon Brown has rollout instructions or just a way to use a measured course to find the correct calibration number.
http://www.sheldonbrown.com/cyclecomputer_calibration.html#ccc
Using a measured course to fine-tune your setting
If you have access to a measured course, you can fine tune your settings by riding the known distance and checking the reading. Divide the actual distance by the cyclometer's mileage reading, then multiply your calibration number by the result to get a corrected calibration number.
(Actual Distance / Cyclometer distance reading) X Old Calibration Number = New Calibration Number
I'm too lazy to do this.
BleeckerSt_Girl
01-02-2007, 03:35 PM
So 700 c wheels really are faster than 650B or 26"! :p :p :p :rolleyes:
V.
Only if you have 700 wheels and set your computer to 650 wheels! :D ;) :rolleyes:
:eek: :confused: (BRAIN HURTING!!!!!!!!!!):confused: :eek:
jobob
01-02-2007, 03:36 PM
As Barbie would say, Math is Hard.
Veronica
01-02-2007, 03:37 PM
I'm too lazy to do this.
Me too!
It's too bad they don't make a 1000 c wheel. We'd really fly then. Of course helium or better yet, hydrogen, in your tires will make you go faster.
V.
SadieKate
01-02-2007, 03:39 PM
I wonder if 29'ers are fasting than 700s.
BleeckerSt_Girl
01-02-2007, 03:42 PM
It's too bad they don't make a 1000 c wheel. We'd really fly then. Of course helium or better yet, hydrogen, in your tires will make you go faster.
V.
If you inhale helium it may appear to you that you are going faster.
Veronica
01-02-2007, 03:43 PM
I wonder if 29'ers are fasting than 700s.
Are they fasting for religious reasons? ;)
V.
SadieKate
01-02-2007, 03:43 PM
Yes, they're Holy Rollers.
Veronica
01-02-2007, 03:50 PM
What's that... ROTFLMAO :p
Did I get the letters right? Do I need another F?
V.
mimitabby
01-02-2007, 03:53 PM
What's that... ROTFLMAO :p
Did I get the letters right? Do I need another F?
V.
it depends on how emphatic you want to be.
SadieKate
01-02-2007, 03:55 PM
Or whether you care if you offend the Holy Rollers.
mtbdarby
01-03-2007, 05:36 AM
Alright you crazy women! I took the batteries out last night and reset 2 out of 3 of my computers. I can't get the third one to turn back on for some reason. Darn it. Now I need to dig up the instructions - darn it.
Oh, and for my first year riding I had a total of 1027 miles. I had almost equal miles on my road bike that I had on my trainer - evidence of all the fun you can have when you have some crashes that keep you off the road. This years goal - lots more road miles than trainer miles.:p
IFjane
01-03-2007, 06:10 AM
this thread is hysterical, girls! :p
I have given up on trying to reset the total mileage on my computer. I'll just keep a journal for the year....and hope I remember to log all the miles!
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