tt measurement is wrong?!

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3/29/2013 6:29 PM

i have a sunday ian the serial # is 8ic121. i thought that meant 21" tt. anyway when i measured it to see if i was right it only measures to 20.8. was the wrong serial number engraved or am i measuring wrong? im measureing center of seat tube to center of headtube. thanks

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3/29/2013 6:39 PM
Edited Date/Time: 3/29/2013 6:48 PM

its probably 21 its just hard to measure that exact on a frame.

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3/29/2013 6:47 PM

the serial number doesn't always indicate TT length, mine doesn't and mine's a Sunday

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3/29/2013 6:48 PM

sundaybmxRR wrote:

the serial number doesn't always indicate TT length, mine doesn't and mine's a Sunday

every other frame ive ever had has had the tt length in serial #

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3/29/2013 6:51 PM

tomdon wrote:

every other frame ive ever had has had the tt length in serial #

a lot of them do but both Sunday frames I've had didn't have any indication of what tt length it was, only frame I had that was like that was my KHE. Still could be though

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3/29/2013 6:58 PM

Pretty sure Sunday never did 20.8's think it would either be a 21 or 20.75

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3/29/2013 7:18 PM

I know they never did a 20.8. I'm trying to figure out why the serial says that but I measure different. I just measured my wifi and its 20.5 like it should be

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3/29/2013 8:16 PM

You might be measuring differently than Sunday does. It's probably the 20.75.

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3/30/2013 12:31 PM

Middle of head tube to middle of seat tube

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3/30/2013 12:51 PM

Sounds to me like its a 20.75" You'd never of known if you hadnt measured it. Carry on riding it & if you replace it get another 20.75" If you're happy on it.

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4/1/2013 5:39 AM

future FBM wrote:

Middle of head tube to middle of seat tube

This is exactly how it's measured.

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4/1/2013 5:41 AM

my ian doesnt have 21 anywhere in the serial and its a 21 so yeah :p

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