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Old 04-30-09 | 11:08 AM
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CliftonGK1
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Joined: Jul 2006
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From: Columbus, OH

Bikes: '08 Surly Cross-Check, 2011 Redline Conquest Pro, 2012 Spesh FSR Comp EVO, 2015 Trek Domane 6.2 disc

Originally Posted by PedallingATX
i have always wondered about this and just assumed that the nicer/more expensive steel was lighter and stronger, but I was never sure.
While the alloy composition of many expensive tubing sets is stronger on a per ounce basis, the issue of durability (against abuse) has to do with more than just composition and tempering.

Reynolds 531 is a weaker alloy than 853 or 953. The durability issue that comes into play is the draw of the tubing. 531 tubes are thicker walled than 853/953. You're less likely to dent a 531 or even 4130 frame by leaning it hard against a railing than if you did the same with a bike built with 953 tubing because of how thin the draw of 953 is.

While a 953 bike is going to be light and strong and unlikely to suffer damage during routine riding, it's not designed to take the punishment that say, a courier bike will get from consistent harsh lockups.

(I don't know comparisons between brands, so I can't help ya with Tange and Columbus tube sets.)
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