Bike Forums - View Single Post - Question on Ritchey Road bike from the late 80s or early 90s

05-24-17, 02:52 PM

#10

ryansu

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Bikes: 2009 Handsome Devil, 1987 Trek 520 Cirrus, 1978 Motobecane Grand Touring, 1987 Nishiki Cresta GT, 1989 Specialized Allez Former bikes; 1986 Miyata Trail Runner, 1979 Miyata 912, 2011 VO Rando, 1999 Cannondale R800, 1986 Schwinn Passage

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Quote:

Originally Posted by unworthy1

I doubt you're getting an accurate read even with digital calipers, the inner seat tube diameter is notoriously difficult to measure but a 26.0 would be very odd for a frame of this era. I'd start by guessing 26.8 and be prepared for anything in the range up to 27.2. This is very likely made from some sort of popular tubing of the day: Tange, True Temper something like that, right? Any sign of a tubing decal or remnants?
OK, found the flickr album and this is Ritchey LOGIC steel alloy tubing, custom drawn for him by Tange...I'll STILL go with something between 26.8 and 27.2 as the most popular seat post choices for Tange steel back in this era.

Thanks for the advice, the folks at Ritchey didn't have alot to add but I can pick up used 26.8 and 27.0 posts locally and try them out according to Sheldon's database of seat posts the late 90s Ritchey Road frames were 27.0 The tubing by the way is as you say Ritchey Logic - Super Tubing by Tange

[IMG]

Tubing decal by Ryan Surface, on Flickr[/IMG]

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