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Old 07-13-05, 11:27 AM   #1
pasopia
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700c on mtb frame?

Is it possible to put 700c wheels on a mtb frame intended for 26" inch wheels? Has anyone ever tried this? What sort of modifications would be required? The bike is a trek 6500 from 2004, and I am planning on using it for some touring.
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Old 07-13-05, 11:54 AM   #2
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Quote:
Originally Posted by pasopia
Is it possible to put 700c wheels on a mtb frame intended for 26" inch wheels?.
Yes. as long as you have enough clearance for the tires.
Quote:
Originally Posted by pasopia
Has anyone ever tried this?
yes
I have room on my 1x1 for 29x1.75 tires with room to spare.

See the 29er forum at mtbr
Quote:
Originally Posted by pasopia
What sort of modifications would be required?
You would probably have to run disc brakes ( if you are not already)because the brake posts would be in the wrong spots.

Also, your BB may be a bit higher due to the change in wheel circumference.
According to the schwalbe website, a 26'' 2.4'' tire would have to same circumference of a 700x28 tire so, depending on your tire size, you may not change your bb height that much.

There could also be some overlap concerns depending on your frame size.

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Originally Posted by pasopia
The bike is a trek 6500 from 2004, and I am planning on using it for some touring.
If you are doing touring and are going to run skinny tires you could probably get away with it. take a wheel off of your road bike or friends road bike and see if it fits. Of course, you will have to get a rear wheel with mountain spacing, as a regular road wheel would not fit properly.

Mtb spacing = 135mm
Road spacing = 130.mm

Why not just run 26'' high pressure slicks on your current wheels?
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Old 07-13-05, 12:30 PM   #3
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Here is a link for the MTBR thread on running 29's on a 1x1. http://forums.mtbr.com/showthread.ph...1x1+conversion

And a 1x1 running skinny 700's http://forums.mtbr.com/showthread.ph...ghlight=29+mia
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Old 07-14-05, 11:30 AM   #4
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Thanks for the tips. I am definitely going to give the 700c wheels a try to see if they fit my frame I probably will end up running road slocks on the 26" wheels, as mentioned. I wanted to see how big of an effect switching to bigger wheels would have on my speed and miles covered. Any opinions?
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Old 07-14-05, 12:10 PM   #5
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700's have an advantage for roll over and for coasting. Just hope your frame has disc tabs. But here you make you own opinion.

http://www.twentyniner.net/faq/
http://forums.mtbr.com/showpost.php?...68&postcount=4
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