Bike Forums - View Single Post - Trying to Understand Reynolds 653

09-09-16, 02:57 PM

#14

T-Mar

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Quote:

Originally Posted by eastbay71

Thanks for that @T-Mar! The blurry picture that is the 653 story comes a bit more into focus. I had heard that main tubes were more based on 531SL but couldn't find any technical documentation for the SL tubes.

Here you go! Note that 21 gauge = 0.8mm, 22 gauge = 0.7mm & 24 gauge = 0.5mm. Also note the reference to it being thinner than 531 but not as thin as 753. Introduced in 1975, it is immediately recognized by a red coloured "531" on the tubing label, as opposed to the standard green. IIRC, it was used on Thevenet's TDF winning Peugeot PY10 in 1975 & 1977.

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Last edited by T-Mar; 09-09-16 at 03:02 PM.

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