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Newbie tech question(6 posts)

Newbie tech questionukla888
Apr 6, 2003 4:47 PM
Hi. I have a newbie question here. I have a MTB gary fisher mt tam from several years back. I plan on doing some asphalt riding soon, but I want to somehow mount the 600cc-700cc road-type wheels on the bike. Can someone tell me if its even possible to do this type of retrofit? I dont want to just mount the bald mtb tires on to my existing rims. I want something with a lot less surface area. TIA....
Just get a road bike!nmthe bull
Apr 6, 2003 6:36 PM
I doubt that would work...girchygirchy
Apr 6, 2003 6:48 PM
It'd be much easier if you bought a pair of 26" slicks or semi-slicks, such as the Specialized Nimbus EX tires I have. They make a huge difference in rolling resistance, and you don't have to change anything else on the bike. Look around, and there are a ton of semi-slicks and pure slicks available for mt bike rims.

You could probably go with as small as a 26x1.25 tire, if you don't have thick rims like Rhyno Lites or something. This would be much easier than getting new wheel or rims, and changing all of your brake pad mounting locations and such.

But if you really want pure road tires on it, check out Sheldon Brown's tire page for more information on what tires might fit where.

Brian

PS-you might want to post in the general section of www.mtbr.com/techtalks also, there might be more responses. Good luck!
Buy MTB slicks and a physics book53T
Apr 7, 2003 5:59 AM
If you get tires rated for 120 psig and pump them to 120 psig, your surface area will be the same as if you had road tires on a 700C wheel. Rolling resistance may be higher, but you didn't ask about that.

Also, stop taking steroids, that's the only thing that comes in 600cc-700cc measures.
I run 26 x 1.0 Hutchinson Top Slicks on my mtb. (nm)jtferraro
Apr 7, 2003 6:41 AM
re: Newbie tech questionGeoCyclist
Apr 7, 2003 5:22 PM
700 cc wheels will not fit inside a MTB frame built for 26 inch wheels. I have looked for alternatives wheels for my MTB tandem. In the end I went to high PSI slicks, and changed my Crank from a MTB to a Road 53-42-30 triple. We had to change the drive train to keep up with other road bikes. This was the best for bucks options I could come up with for our tandem. As previously posted, you won't be happy on the pavement until you get yourself a road bike! When I feel the need for speed I jump on my road bike.

Ride on!