Just wanted to stop by and say thanks to JJ for the general rapid rise
write-up. I've already tested and made up my mind for myself but I think
his post from Mar 20, 2024, 1:14:26 PM really does a nice job of breaking
things down related to how these mechs work, how they might work for you,
as
Thanks all for your clarifications! Agree with the comments regarding the
reliability of shimano components - I've usually had little reason to move
on from my Altus/Acera RD except durability of the pulleys on the Acera
perhaps. Shifted very well every time.
I have received a nice RD from a rbw
My only rapid rise - a beautiful Nexave courtesy of JJ - has made me a big fan. In particular, I am quite happy with my non rapid rise Deore unit on my Clem which gets lots of flatlander miles. But my Gus gets the singletrack hills. This is where the Nexave has one huge benefit. It takes zero
I'm 100 percent with Jock on this issue. It's hard to take the Disraeli
Gears comments about the XT RD-M760 seriously, dripping as they are with
dismissiveness. We've had long threads on this forum about low normal
derailleurs before, and I still find the myths that circulate about Rapid
Rise
@ http://disraeligears.co.uk/…well I suppose if you pedal around in a
saltwater bath, like some of those unfortunate souls…that might happen.
For those us who ride under sunny skies now and again—and take care of
stuff properly—I can tell you that after years and years of working those
mechs,
Just wanted to pop in and say that if you're an eBay whiz and patient you
can find rapid risers for not too much money. I've found two of the very
nice Nexave T400s, both new, never used, for less than $30 each. There was
a seller on eBay sometime in 2023 who listed a bunch of the T400s and
Another question - from a couple of reviews here people seem indifference
of the performance between low vs high normal. But online elsewhwre, there
seems to be strong dislike for low normal - why is that?
For example - disraeligears.co.uk writes for the xt m760
"The Shimano Deore XT (M760) is
And the Rivendell ‘fan base’ is a subset of another and another so as to be
mostly inconsequential. We do count, however and a few brave souls do
sort-of OK serving us.
Nevertheless, most of us (even here in RBW’s backyard) seldom cross paths
with cyclists with whom we have anything in common
" that Libertas that (yes, Bill) I have plans to build"
blah blah blah. I'll believe it when I see it.
BL in EC
On Tuesday, March 19, 2024 at 1:56:11 PM UTC-7 Patrick Moore wrote:
> Ah, I mispoke; Huret indeed.
>
> Peter knows much more about such pre-Campy parallelogram derailleur
>
Ah, I mispoke; Huret indeed.
Peter knows much more about such pre-Campy parallelogram derailleur
esoterica, and I for one am glad I haven't had to get such a rd to work
since my 2-speed SA days, but I recall an old-timer on the CR list saying
that they worked pretty well if they were properly set
And another nitpicky point: The two-lever derailleur is connected not to a
Simplex pullchain derailleur, but to the mid-50s fancy-bikeshorts pullchain
derailleur from their rival, Huret: the Huret Louison Bobet, so named for
the three-time Tour de France winner (1953-55) whose Stella team rode
Johnny, you're probably right: Look at how cheaply we can buy Rene Herse
Nivex rear derailleurs on the used market today...
;-)
BL in EC
On Tuesday, March 19, 2024 at 9:41:08 AM UTC-7 Johnny Alien wrote:
> I have to think that most of the market for these is from the Rivendell
> fan base. I
I have to think that most of the market for these is from the Rivendell fan
base. I don't hear any other bike group talking about them at all. Because
of that I kind of think IF Riv ends up bringing their new one to market the
used scene will come WAY down. Just a theory. I really hope that I
Thank you all for the replies :) Now that I know of the RR, every time I am
on an uphill and I have to push the gear to climb higher on the cassette I
feel some justification for having a "low-normal" derailleur.
Thanks also for clarifying that any of these will work well.
The RR will also
I got a used XTR M951 long cage derailleur for a song on ebay a few months
ago. Maybe there's not much demand? The seller gave me a half off offer so
I couldn't refuse. Anyway it works great and it appears they're usually
$50-80 depending on the condition. Not bad for what was once a
Interesting information about derailleur design history. But I read the
"normal" in "low-normal" or "high-normal" as simply "relaxed spring" and
not as "the way it ought to work."
My 2010 (purchased IIRC in 2011 or so) Sam Hill came with a "low-normal" LX
rd, and it was one of the best shifting
To be nitpicky, "high normal"/"low normal" is terminology that's meaningful
primarily for parallelogram derailleurs. We operate as if those are the
only derailleurs that exist because parallelogram derailleurs (mostly
developed as extrapolations and knockoffs of Campagnolo's 1951 Gran Sport,
Perfectly clear! Thanks JJ.
On Monday, March 18, 2024 at 8:17:37 PM UTC-7 J J wrote:
> High normal refers to “regular” rear derailleurs, for which the default
> position with no spring tension is in the highest gear. Hence, high normal.
> Low normal (what Shimano called Rapid Rise) is the
High normal refers to “regular” rear derailleurs, for which the default position with no spring tension is in the highest gear. Hence, high normal. Low normal (what Shimano called Rapid Rise) is the opposite: the default derailleur position without spring tension is in the lowest (largest) gear.
Just curious: What does 'high normal' mean in the derailleur world?
Cheers, John
On Monday, March 18, 2024 at 3:44:45 PM UTC-7 ian m wrote:
> I believe the M952 is high normal, but you can't go wrong with the M951
>
> On Monday, March 18, 2024 at 1:01:39 PM UTC-4 chintan...@gmail.com wrote:
>
I believe the M952 is high normal, but you can't go wrong with the M951
On Monday, March 18, 2024 at 1:01:39 PM UTC-4 chintan...@gmail.com wrote:
> I'm looking to try a RR derailleur and want something under 50-60 ideally.
>
> Which ones would you recommend? Were there are early RR derailleurs
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