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Well, I bought a frame, and needed a stem. they sold me the stem, and in the same transaction discussed needing bars for the build too, so they sold me the dedas. all in one package.
A year later, when I'm looking into some new (wider) handlebars, I'm finding what was sold to me as compatible, is potentially not?
hopefully the ITM is infact 26.0, and I'm not totally sure how to accurately measure that after the fact of having had the 26.0 bars installed.
https://www.cyclollector.com/gb/stems/1259-quill-stem-itm-400-racing-cycles-gitane.html
lists it as 25.4... either way, it's knocked my confidence in a potentially face mashingly important part of my bike, and I'm a bit miffed if the shop has sold it to me as a compatible cockpit.
gretsch-
ITM makes loads of stems in 26mm.
I think it's most probable that your setup is a correct match and that the flexiness is down to the fact that it's an old alu quill stem.To get a stiffer front end the best course is to try to find a 1" threadless fork, matching headset, 1 1/8" OS stem with a shim and oversize bars.
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I'm not totally sure how to accurately measure that
Pick up some callipers. Take a bunch of measurements across the area. It’s not hard.
As said already ..... most ITM were 26.0mm stems and deda plenty of bars with that clamp area size. Cinelli and 3TTT sold a lot of 26.4 too.
They do all feel a bit flexible compared to modern kit.
drøn
miro_o
If I've understood what you've written correctly, you've no reason to feel ripped-off.
What makes you think they're different sizes? What have you actually measured?
25.4mm was the British standard (later adopted in the Far East) and ITM are Italian, so 26.0mm is more likely.
Quill stems are inherently flexible. If you want something stiffer, you want Ahead.