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bike computer with temp?

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bike computer with temp?

Old 04-27-09, 06:58 AM
  #1  
AngryScientist 
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bike computer with temp?

well my wired cateye had a zip tie failure and a little run in with the spokes this weekend, so i'm in the market for a new computer.

i would like something wireless, fairly inexpensive (under $80 maybe?) with ambient air temp, because i think that might be a nice number to know. other features are unimportant to me as long as it give me current and average speed and distance.

does anything fit this order?
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Old 04-27-09, 07:20 AM
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phins42
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I was thinking about the same thing a while back, but stuck with the cateye. But I found trek had some that did. This is by no means an endorsement of this web site just for reference, any Trek store in your area should have these. http://treads.com/itemdetails.cfm?LibId=29250
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Old 04-27-09, 07:38 AM
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Planet bike. I've been using one of the wired models for a while and like it.
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Old 04-27-09, 07:39 AM
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Polar's higher-end models record temp as well, but the Planet Bike is more what you're looking for I think.
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Old 04-27-09, 07:43 AM
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+1

The Planet Bike Portege 9 wireless has been nice. I just wish you could stem mount it like the Cat Eye.
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Old 04-27-09, 07:55 AM
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My Vetta V100 wireless from a few years back also had temp. The new ones also come with cadence. Lists for $80; Amazon has 'em for a little over $50.

Also has a separate stopwatch, which I liked. Other than the occasional mph spike from interference, it never gave me any problems.
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Old 04-27-09, 08:41 AM
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You are limiting yourself considerably by needing temp. Buy a good thermometer and look at it before you leave. I doubt it is going to change much no matter how long you ride.
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Old 04-27-09, 08:48 AM
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Originally Posted by jrobe View Post
You are limiting yourself considerably by needing temp. Buy a good thermometer and look at it before you leave. I doubt it is going to change much no matter how long you ride.
Hmm, try riding in Colorado. Started a ride last week at 68 degrees at 5,600' the coldest spot in the ride was a canyon with lots of snow and shade at 34 degrees, but wide open sunshine with lots of snowpack was 44 degrees at 9,800 feet. I changed cloths so many times.

That said, the thermometer was just for fun. I just change clothing based on how I feel, adding warmers or shell, etc.

Oh yeah, it was 76 when I got back to my start point. This time of year, the temperature also varies widely just by time of day.
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Old 04-27-09, 09:00 AM
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The Specialized Speedzone computers have temperature also. I can't say it's that useful though, as I'd imagine most cycle computers with temperature would be. If it's very sunny at all the sun warms up the computer enough to really throw off the temperature reading.
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Old 04-27-09, 09:48 AM
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When I was using Polar, their temp readings were surprisingly accurate. En lieu of a bike computer with temp, you can go to www.wunderground.com, find a good personal weather station near your ride, and look at the history for the day. Compare a few personal weather stations and pick the one that seems most consistently accurate. You can usually see weather data in 5-15 minute increments. You can go back and look at the history of any day for that matter. Usually the personal weather stations at schools are well set up and maintained.

Its obviously for post ride analysis.

Screenshots:
Attached Images
File Type: jpg
weather 1.jpg (103.9 KB, 15 views)
File Type: jpg
weather 2.jpg (100.0 KB, 7 views)
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Old 04-27-09, 10:44 AM
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Originally Posted by jrobe View Post
You are limiting yourself considerably by needing temp. Buy a good thermometer and look at it before you leave. I doubt it is going to change much no matter how long you ride.
Maybe if you do a short ride, but I've been on rides with a 30 degree variance because they start at 7am and end at 3 or later.

That being said, I have a thermometer on my computer and the only thing it really does for me is confirm my guess as to why I'm uncomfortable. So, +1 to checking before you head out the door.
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Old 04-27-09, 10:48 AM
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Originally Posted by orcanova View Post
When I was using Polar, their temp readings were surprisingly accurate. En lieu of a bike computer with temp, you can go to www.wunderground.com, find a good personal weather station near your ride, and look at the history for the day. Compare a few personal weather stations and pick the one that seems most consistently accurate. You can usually see weather data in 5-15 minute increments. You can go back and look at the history of any day for that matter. Usually the personal weather stations at schools are well set up and maintained.

Its obviously for post ride analysis.

Screenshots:
wow, cool site, thanks for that.

i agree that the thermo is definitely not a necessity for me, i just thought it might be cool to have. i think i might look into one of the polar models, i've had very good experience with them with HRM's for running.
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Old 04-27-09, 10:51 AM
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Planet bike portege, but I wouldn't buy another after bad experiences with the last two I purchased.
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Old 04-27-09, 11:17 AM
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Originally Posted by mmerner View Post
Planet bike. I've been using one of the wired models for a while and like it.
Me too! Nice big numbers, relatively cheap and I like to see the temp rise this time of year from 60 to 88 during our rides.
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Old 04-27-09, 11:18 AM
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of the three i have used with temp sensor (2 planet bike, 1 Sigma)...they all give bogus readings due to exposure in the sun. save your money.

even though i live in phoenix, az, you will not find me out in the 120+ temp the computer showed i was riding in.

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Old 04-27-09, 11:45 AM
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Originally Posted by urbanknight View Post
Maybe if you do a short ride, but I've been on rides with a 30 degree variance because they start at 7am and end at 3 or later.
30 degree variance can occur on flat land. Add some significant climbs and it can even get worse.

Checking the forecast is always a good idea, but knowing the actual temp is useful. On the surface, one would think you can just dress warmer when you feel cold or undress if you feel hot. However, your thermometer warn you about problems you're having but aren't aware of.

I have been on rides where heat exhaustion caused me to feel very cold even though I was working hard in hot weather and also where I felt perfectly warm when I was suffering from hypothermia. You really do not want either of these problems.

I now use a VDO MC 1.0, and I do keep an eye on the temp just so I can take corrective action if I feel significantly different than I should logically feel.
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Old 04-27-09, 11:51 AM
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You could just tape a thermometer onto your top tube.
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Old 04-27-09, 11:51 AM
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Trek Wireless 9i is what I use. Standard functions and temperature (also has pace arrow). MSRP is $80, however, at my local trek store it was $50.

http://store.trekbikes.com/jump.jsp?...&bShopOnline=1
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Old 04-27-09, 11:58 AM
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Originally Posted by jrobe View Post
You are limiting yourself considerably by needing temp. Buy a good thermometer and look at it before you leave. I doubt it is going to change much no matter how long you ride.
My ride last Saturday was significantly altered due to the fact that one of the guys had a thermometer at the summit of the second to the last climb. Knowing that it hit 32F we decided to turn around and skiped the last climb due to fear of the drizzle turning to ice. A thermometer would be a nice plus.
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Old 04-27-09, 12:02 PM
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Another vote for the wired Specialized Speed Zone here. We have lots of electric fences and power cables under the road around here, that can mess with wireless models.

I mostly use my thermometer as another reminder to remember to drink enough when it is below 40F or above 95F. I often forget to drink at all when it is cooler, and one more reminder to drink when it is hot works well for me.


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Old 04-27-09, 12:10 PM
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Originally Posted by DataJunkie View Post
My ride last Saturday was significantly altered due to the fact that one of the guys had a thermometer at the summit of the second to the last climb. Knowing that it hit 32F we decided to turn around and skiped the last climb due to fear of the drizzle turning to ice. A thermometer would be a nice plus.
i know someone with a user name of data junkie would agree that an additional parameter to watch is a good thing!
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Old 04-27-09, 12:10 PM
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Originally Posted by banerjek View Post
30 degree variance can occur on flat land. Add some significant climbs and it can even get worse.
True. So far, my climbing rides start at the bottom in the early morning and get to the top near the hottest part of the day, so I miss the true chill that can be found at 6000+
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Old 04-27-09, 12:18 PM
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Love my planet bike protege's. I've had several of them over the years and they blow away anything else in the price range.
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Old 04-27-09, 02:10 PM
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Originally Posted by DataJunkie View Post
My ride last Saturday was significantly altered due to the fact that one of the guys had a thermometer at the summit of the second to the last climb. Knowing that it hit 32F we decided to turn around and skiped the last climb due to fear of the drizzle turning to ice. A thermometer would be a nice plus.
I am using the old fashioned analog approach, but that is one reason I have it. I have a little keychain one that I got at REI for a few bucks. It is shatterproof too. I bought it for backpacking, but carry it on the bike for such reasons.
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Old 04-28-09, 11:42 AM
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It's funny - when I was a kid I had speedometer cables break. They were thin, I or my dad would install them ourselves, and the cable would always end up getting snagged on something.

In the past 5 years, this is why I've *always* had the bike shop install them, and always bought speedometers with a thicker cable. I've never had a speedometer cable break, or even get caught on anything, since I started doing both those things. The one thing bike shop mechanics know how to do is install speedometers really well.

You could probably do just as well with a wireless unit, just thought I'd mention it. Personally, I wish I could but can't find a wired speedometer with a backlight, temp, and is stem mounted, but I wish I could.
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