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Are mountain frames an option for building a cx bike?(3 posts)

Are mountain frames an option for building a cx bike?Film No More
Aug 22, 2002 12:25 PM
I currently ride a Fuji Cross, all steel. I would love to shed some pounds and buy something new. I am wondering if a mountain bike frame set up with the components from my Fuji would work as well as a new cx frame?

The idea may be blasphemy to a group such as those in this discussion board. Just curious if there are any legal issues with this set up as well.

I have a Cannondale caad5 and a Kenisis rigid fork. My components include a 48 tooth crank, which would need to be replaced due to the smaller wheels.

Any thoughts??
Aug 22, 2002 12:33 PM
Do what you want. The only thing is that if you race, there might be some races where you can only ride a bike with 700c tires.

It's fun riding a mtb with drops, which I presume that's the case of what you'll do. Just make sure you're comfortable with your handlebar setup. Don't cut the fork's steerer too short, allow for spacers, and ride. The bike will handle great.

A cross mtb can go places a regular cross bike can't go. But it's all about having fun, right?
Yea sure, but...Wheelz
Aug 22, 2002 2:42 PM
it's not likely that you will loose much weight compared to a cross frame. My steel RockLobster cx bike weighs in at just about 19lbs. My Aluminum Specialized StumpJumper weighs in at just under 20lbs with a suspension fork. Both have the same drive train, 48/34 front, 11/34 rear, so I don't think you'll have to mess with your gearing. I have ridden both in cx races and on the local mtn trails. All said and done, the cx bike climbs better than the mtn bike, while the mtn bike descends better.

Most of your components should work on either frame, depending on geometry and bar type.