Re: [CR]convert to 700 c wheels?

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Date: Thu, 26 Jun 2003 12:22:26 -0400
From: Grant McLean <>
Subject: Re: [CR]convert to 700 c wheels?
To: "Classic Rendezvous Mail List (E-mail)" <>


Your bottom bracket height will also end up 4mm closer to the ground, possibly more if you are using a narrower tire. (many 27x1 1/4 wheel bikes end up converting to 700x28 or 25c tires, with less sidewall height)

Grant McLean who never met a bb that couldn't benefit from being just a smidge lower Toronto.Ca

Martin Needleman wrote: The difference in diameter is 8mm (630mm vs. 622mm) so the difference in radius is 4mm. You'll have to lower the pads 4mm. [With thanks to my first grade teacher Miss Peck in P.S. 254 Brooklyn, N.Y.]

jamie swan wrote: I hate to contradict you Martin, but I think the difference in diameter is more then that. If you try installing 700c wheels on a bike set up for 27" the brake pads will be bearing almost entirely on the sidewall of the tire. I think that you need to be able to lower the pads about 10 mm.
> Jamie Swan - Northport, N.Y.

burl simon in warm and sunny los angeles wrote:
> > > good day,
> > > i have a question on my atala with 5 speed freewheel and 27 1-1/4" wheels and that is can i convert to 700c wheels? how is this done? thanks,