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NYC_SKP

(68,644 posts)
1. If you have a smart phone use an app like RunKeeper.
Fri Jan 25, 2013, 12:51 AM
Jan 2013

Other than that, I do not have a good suggestion for a electro-mechanical unit.

Systematic Chaos

(8,601 posts)
2. Your local bike shop will stock at least one nice bike computer. Amazon has a ton of them.
Fri Jan 25, 2013, 12:59 AM
Jan 2013

Just do a search for "bike computer" and a ton of useful little devices will appear to choose from.

Mostly they cost between $10 and $40.

Gormy Cuss

(30,884 posts)
3. I have a very basic Schwinn on-board system
Fri Jan 25, 2013, 02:11 AM
Jan 2013

and once calibrated (which was NOT as easy as it seems) it records very good data on mileage, MPH, etc.

The canned calibration settings based on wheel size were off by about 15%. A few sessions of riding measured mileage were needed to calibrate it correctly. Once set, the next time to deal with it was when the batteries croaked.

wtmusic

(39,166 posts)
5. I like the size of the display.
Wed Feb 13, 2013, 02:18 PM
Feb 2013

I currently use a Garmin Edge 500, which frankly is more trouble than it's worth.

 

DisgustipatedinCA

(12,530 posts)
6. I use a CatEye wireless odometer
Sat Feb 23, 2013, 12:33 PM
Feb 2013

It's about $50, and it's always within a couple of hundredths of a mile in agreement with my phone's GPS, so it seems pretty accurate--just make sure you correctly specify your tire size in the program setup.

Kolesar

(31,182 posts)
7. I have a ten year old Cateye--that's the only brand I will buy
Thu Feb 28, 2013, 01:51 PM
Feb 2013

I had a Specialized and a Nashbar computer that broke in time.

 

DisgustipatedinCA

(12,530 posts)
8. In my previous post, I mentioned that the Cateye was within a couple of hundredths of my GPS
Thu Feb 28, 2013, 07:56 PM
Feb 2013

Since I wrote that, I've noticed a bigger difference between the GPS and the Cateye. I'm not totally sure what accounts for the difference. It's either the vagaries of my phone's GPS unit (entirely possible), or it's the fact that I've switched from riding at 85PSI to riding at 100PSI. I think that may make the diameter of the wheels just a little larger, and therefore, I'm going just a little more distance with each revolution of the tire than I was at 85PSI. It doesn't matter all that much. After a 43 mile ride last Saturday, the difference in the two trip meters was about half a mile. Not a huge deal.

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