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Clydesdales/Athenas (200+ lb / 91+ kg) Looking to lose that spare tire? Ideal weight 200+? Frustrated being a large cyclist in a sport geared for the ultra-light? Learn about the bikes and parts that can take the abuse of a heavier cyclist, how to keep your body going while losing the weight, and get support from others who've been successful.

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Old 08-24-09, 04:08 PM   #1
Fuzzo84
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Vindicated!

I just got my first road bike about a month ago and when I bought the bike I had the shop put on a simple comp for me. For weeks I was thinking the computer was reading wrong or I had to come to grips with being a turtle named clyde if you know what I'm saying.

Well last week I am cranking in top gear, down a slight grade, on a nicely paved back road, fully tucked and staying with traffic (the speed limit is 35 mph). I look down at my computer and it reads 17mph! '17! come on!' I yell. So after I get back home from the ride I shower and decide to drive the loop in my car to check the milage...Bike: 12.6 miles, Car: 20.0 miles. Eureka! I'm not a slowmo my comp is just full of ****

After a re-calibration and a nice ride this weekend I was happy to see 25 miles on the bike, instead of 14 or so, and an average speed jump from 13 mph to 19.5 mph (ooh just below 20, but still nice to see) with a max speed of 35 mph, going down a big hill but hey I got it there...Horay for gravity I suppose.

Between this and my new clipless pedals/shoes it's like I never want to stop pedaling!
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Old 08-24-09, 06:04 PM   #2
Jersh
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Did you make sure to calibrate for the actual diameter/size of your wheel? My comp on my mountain bike has 2 different settings, and I have them set for 1) my Mavic Crossmax's for when I'm riding off-road and 2) the stock wheels w/ road slicks for when I ride paved trails with my wife.
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Old 08-24-09, 07:07 PM   #3
Fuzzo84
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they guys at the LBS put it on for me and then tossed the packaging and instructions, they have a bad habit of doing that, did it with my pedals too. So I am asuming the calibration is true now
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Old 08-24-09, 07:25 PM   #4
StephenH
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You might be able to fetch up a copy of the owner's manual from the internet.

For just general riding around, it won't matter. If you ever start following cue sheets or riding in organized rides or following maps, the closer it is, the better.
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Old 08-24-09, 07:47 PM   #5
txvintage
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You can google any bike computer and get the instructions and cal charts. It's not uncommon to find easier to understand instructions as well.

EDIT: This what happens when you start a reply and get distracted. So, what StephenH said, lol.
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