The earlier version of the Alivio 4000 was rated for 36 and it worked quite
well. I still have it lying around the garage somewhere. It just doesn't
fit my shiny silver aesthetic.
On Mon, May 2, 2022 at 6:55 PM TP H wrote:
> Scott, the capacity math works out but it looks like the specs for
Nine speed seems to hit the sweet spot for me on my Clem with the double
chainrings. Although, I imagine any rider could adapt to 5 or more rear
sprockets.
Doug
On Monday, May 2, 2022 at 7:55:37 PM UTC-4 hinton...@gmail.com wrote:
> Scott, the capacity math works out but it looks like the
Scott, the capacity math works out but it looks like the specs for that
rear derailer list a max sprocket of 34t
(https://bike.shimano.com/en-EU/product/component/alivio-t4000/RD-T4000.html).
It may still work outright (specs are conservative) but, if not, one of the
links/tabs (e.g.,
Was hoping for some advice... on my Sam, I'm interested in the Jim 7s
13-42, with a 40 x 24 upfront, and Silver shifters in friction. The big
question I have is rear derailer choice, would the Shimano Alivio T4000
make sense? it's rated as a 9-speed with a total capacity of 45T.
Thanks,
Scott
Was hoping for some advice... on my Sam, I'm interested in using out the
Jim 7s 13-42, with a 40 x 24 upfront, and Silver shifters in friction. The
question here seems to rest on the rear derailer, would the best choice be
the Shimano Alivio T4000? it's rated as a 9-speed with a total capacity
Nerding-out on gearing:
The % changes on the S-ride 13-34 are 14%, 18%, 15%, 13%, 15%, 19%. maximum
delta % in lower 6 is 5% (13% to 18%)
The % changes on the Shimano 13-34 are 14%, 13%, 16%, 18%, 19%, 16%.
maximum delta % in lower 6 is 6% (13% to 19%)
I thing the S ride is better, but this
I too like the extra tire-to-chain clearance for wider tires. Also, while
I prefer a 2x setup to 1x (for aesthetic and closer gear steps reasons), at
the same time I like some simplicity and don't want a ton of gears, so 7
with the 2x is a good minimal arrangement for me. Lastly, I like using
My thinking lines up with Ray's point about cogs and chains matching up as
the number of cogs increased and chains became correspondingly narrower.
Patrick's experience has been the opposite. It's always a Good Day to buy a
new part! Why not try a skinny chain for my fat 7 and 8 speed cogs?
"He delighted to tread upon the brink of meaning."
Sorry Garth, I couldn't resist. I like you, don't worry.
On Sun, May 1, 2022 at 11:40 AM Garth wrote:
> ... It's a very Good Day All-ways a good Day !
>
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I've used 10 speed chains with 10, 9, 8, and single 3/32" fixed cogs -- no
problems.
Aside, related, fwiw: Bike Radar some time ago recommended (and I am sure
they were quoting earlier suggestions) using a chain 1 generation later
than your cassette; thus 9 sp chain for 8 sp cassette, and so on.
Rich,
The usability of 10 speed chains may have something to do with using
thinner cogs than what existed in the days of 7 speed cassettes and
freewheels.
I’m just guessing but it would make sense to use parts which are currently
available.
Ray
On Sunday, May 1, 2022 at 9:36:41 AM
On my Bombadil I have a 12-36 9sp cassette, but only use the 14-32 portion
as I have 3 rings. The 36 is in a wonky position, too close to the spokes
for my liking, so I adjusted the derailleur to stop at the 32 and 14. If I
had to use the 36, I'd remove the 12t cog, and place a spacer where the
I was going to pick one of these up but they went fast!
On Sunday, May 1, 2022 at 9:06:24 AM UTC-7 RichS wrote:
> I'm the target market for these cassettes since my friction shifted bikes
> use 7 and 8 speed cogs; for the time being though I have enough cassettes
> and spare cogs. What piqued
I'm the target market for these cassettes since my friction shifted bikes
use 7 and 8 speed cogs; for the time being though I have enough cassettes
and spare cogs. What piqued my curiosity was Grant runs these with 10 speed
chains - and 9s. Something I haven't attempted but maybe worth a go.
With a 7 speed you can run bigger tires on a Susie or Gus with less chance of
the chain hitting the rubber when going from small front ring to the big one in
the back. The website says they fit up to 2.8” tires but there is clearance for
3”. The deciding factor is the chain line.
With a
I agree with Garth about the poor gear progressions on the 13-34 Jim. The
Shimano HG-50-K 13-134 is
13-15-17-20-24-29-34
which IMHO is much better, it avoids the 15-18 problem and has 2-3-4-5-5
spacing above 15 vs the Jim's 3-3-3-4-6 spacing. I used the HG-50-K on
my 88 Voyageur and gives
I had some bit of hope that these would use an consistent gear progression
of 15-17-20-24 on the 13-34, but no . S-Works does the overly big 15-18
jump along with the 18-21-24 which is unnecessarily close. I often wonder
of anyone who designs these actually rides it. IRD does some weird cog
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