Old 10-26-12, 12:58 PM
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ZTR Iron Cross rims: just the ticket, or am I asking for trouble?

I'd like to build a set of wheels with the new Iron Cross rim. I'm attracted to this rim due to its combination of low weight and intermediate width, as I'm building a weight-conscious disk brake "mixed terrain" (road + fire trail) endurance bike, and like to run an intermediate range of tires, whether smooth or knobby. I would almost always run with tubes, rarely tubeless.

The Iron Cross product description states:

"The new ZTR Iron Cross disc rims are designed only for use with cyclocross tubeless tires and traditional cyclocross clinchers."

Do folks have a sense if this is actually a question of, say, minimum tire size, maximum tire pressure, or perhaps some combination of the two? What are the risks -- the bead coming unseated? Radial compression of the rim due to high pressure?

What it really comes down to for me is that I would like to be able to run road tires as "small" as 700x28, and other times run 700x35 cross tires -- or sometimes even wider. Can the Iron Cross still be the rim for me?

Thanks for your advice!

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