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 <hinton.ty...@gmail.com> wrote: > 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., WolfTooth road or goat link) to drop the derailer down > will likely make it all work out. > > On Monday, May 2, 2022 at 11:02:14 AM UTC-7 greenteadrinkers wrote: > >> 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 >> >> On Monday, May 2, 2022 at 1:03:09 PM UTC-4 lconley wrote: >> >>> 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 is much ado about nothing. >>> I personally think the biggest jump should always be on the biggest >>> (lowest) gear as is the case with the Riv S-ride. I don't need two bailout >>> gears. >>> >>> I still ride freewheels on some bikes - My Rivendell sourced Shimano 7 >>> speed freewheel on my 1x Riv commuter is 14-16-18-20-22-24-34 for 13%, 12%, >>> 11%, 10%, 9%, 34%. -maximum delta % in lower 6 is 4% (9% to 13%) I think >>> this about ideal, could have maybe substituted a 25 for the 24, but again - >>> much ado about nothing. >>> >>> My NOS Suntour Winner 7 is 12-14-16-18-21-24-30 for 15%, 13%, 12%, 15%, >>> 13%, 22%. maximum delta % in lower 6 is 3% (12% to 15%), It is going on my >>> Bombadil with a triple crank. >>> >>> Laing >>> >>> On Sunday, May 1, 2022 at 9:17:20 AM UTC-4 John Hawrylak wrote: >>> >>>> 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 very good spacing. IRD also sold the >>>> same copy of a HG-50-K for about $30 2 years ago. I do not see it in the >>>> IRD store now. Maybe they changed suppliers. >>>> >>>> The 13-42 is also poor do to the 13-16 jump leaving NO 2 step drop for >>>> the high gears. My 1975 Shimano 14-32 5 speed had a 14-17 jump and was >>>> always frustrating on level terrain finding a good high cog. The 13-15 >>>> solves that. >>>> >>>> In all, why does anyone want to go from 9 speed to 7 speed??? I can >>>> see them saying here is a supply of 7 speed for folks with 126 OLD rears, >>>> but if you have a 130 OLD rear just use the 9 speeds out there. They have >>>> better progression. >>>> >>>> I think RBW is pitching folks a lemon with these as saying convert from >>>> 9 to 7 speeds. >>>> >>>> John Hawrylak >>>> Woodstown NJ >>>> On Saturday, April 30, 2022 at 7:30:36 PM UTC-4 Garth wrote: >>>> >>>>> 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 progression with some of their offerings as well. >>>>> On Saturday, April 30, 2022 at 5:00:50 PM UTC-4 hinton...@gmail.com >>>>> wrote: >>>>> >>>>>> In 2022, pretty cool to see 7-speed cassettes sell out in less than >>>>>> 12 hours. But, if you missed out, this is a PSA that Soma has them in >>>>>> stock >>>>>> still, though they don’t include the spacers like Riv did. >>>>>> >>>>>> 13-34: >>>>>> https://www.somafabshop.com/shop/product/590906-s-ride-cassette-7sp-13-34t-cs-m200-6765?category=735 >>>>>> >>>>>> 13-42: >>>>>> https://www.somafabshop.com/shop/product/590907-s-ride-cassette-7sp-13-42t-cs-e500-6766?category=735 >>>>>> >>>>> -- > You received this message because you are subscribed to the Google Groups > "RBW Owners Bunch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rbw-owners-bunch+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rbw-owners-bunch/9df0e2b6-bfc3-4936-ad13-1d303d53cf80n%40googlegroups.com > <https://groups.google.com/d/msgid/rbw-owners-bunch/9df0e2b6-bfc3-4936-ad13-1d303d53cf80n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- ------------------------------------------------------------------ signature goes here -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. 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