Seems to be good agreement on the clamp mismatch.
Ron replied to a query about it with "the 4 bolt will meld to the slightly
larger diameter just fine -- if not a little better than a 1 or 2 bolt."
On Wed, Mar 13, 2024 at 10:23 AM Patrick Moore <bertin...@gmail.com> wrote:
> +1 for the Ritchey Force stems; IME they clamp bars more immovably than
> single-bolt Nitto stems possibly because of their wider clamps.
>
> And +1 for using 25.4 mm steel stems with 26.0 bars. I used to regularly
> install 26.4 ("point 4") mm Cinelli Giro d'Italias into Salsa and Tioga
> mountain bike stems with 25.4 clamps in order to get them high enough on
> low-stack mountain bikes and XO-1. I never had problems getting the bar's
> curves around the wide, square clamps, or afterward while riding the
> combination. I do think that, as I did later, Nitto Dirt Drop stems or
> customs -- I had a couple made by Salsa -- are better.
>
> And +1 for not prying wider a forged aluminum stem.
>
>
> On Tue, Mar 12, 2024 at 10:11 PM iamkeith <keithhar...@gmail.com> wrote:
>
>> FWIW, from many years of doing so, I'll second the suggestion (not a
>> promise or recommendation - disclaimer and all that) that 25.4 stems CAN
>> work ok with 26.0 bars. But the only ones Ive had scuccess with are
>> high-end steel stems with a single bolt clamp. They tend to have thinner
>> steel that can bend and conform to the larger diameter bars. Especially
>> the Salsa ones, but also the Ritchey Force ones being discussed here. I
>> don't want to discourage you from trying - and it's a relatively cheap
>> experiment - but I'm less certain it'll work with a removable faceplate
>> construction. Less of the material around the clamp circumference is
>> un-restrained and free to flex. It might work BETTER - I just don’t know.
>> Tighten slowly and methodically, and watch to make sure that it's the steel
>> stem that gets deformed, and not the aluminum handlebar. I know it's not
>> your current plan, but don't pry open a forged aluminum stem to fit a
>> bigger bar. Lastly, the safe option is still a 31.8 faceplater stem with
>> a 26.0 shim. I get it if you want to try a 26.0 stem first though. Just
>> please let us know how it works out.
>
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