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Recreational Cyclocross and Gravelbiking This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

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Old 11-30-08, 10:25 PM   #1
indianshaft
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Chromoly

What is Chromoly? From what I have read it is lighter than steel and I am guessing heavier than carbon or aluminum. Is that correct? What I read said is that they use less making the frame lighter and more flexible.
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Old 11-30-08, 10:49 PM   #2
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It is steel with chrome, molybdenum and manganese in small quantities for increase strength and toughness, which allows for thinner wall thickness to be used in the tubing, than plain carbon steel.
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Old 12-01-08, 01:27 AM   #3
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Steel is naturally more flexible than aluminum and definitely heavier than aluminum or carbon, but it does offer durability over both. One thing to remember, however, is that cromoly is not like stainless steel. It will rust very easily so any exposed metal should be properly protected.
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Old 12-01-08, 09:20 PM   #4
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Quote:
Originally Posted by adaminlc View Post
Steel is naturally more flexible than aluminum

No, that's not true, steel is stiffer than aluminum. Aluminum bike frames generally have a reputation for being stiff, but it's because they're usually built with larger diameter tubes. Steel frames generally have a reputation for being somewhat springy, but it's because the frames are usually built from smaller diameter tubes. As a material, steel is stiffer than aluminum, however-
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