36t Hyperglide cog source?

[ccanter]

Does anyone know of a source for them? My knees are begging me for
this. My frugal nature has me wondering why not just buy a cog and
convert the cassettes I already own. Additionally my herd runs 7 and
9
speed drive trains, so I'd like to do this for my 7 speed stuff too.
I have seven speed spacers, but I would also need an additional shim
to compensate for the thickness difference between the two cogs would
I not?
Anyone think of a reason I could not do this....Oh I'd also need a
longer B tension screw too wouldn't I.
Thanks in advance,
Clyde Canter

[PATRICK MOORE]

No 36, but Harris (and QBP I'm sure) carries a 34t Miche.

Note (y'all) that it is easy to grind off the rivets that hold at
least the cheaper cassettes together, for easy customizing. I use a
16-18-20-22-24-29-34 on my Big Apple wheelset, 15-17-18-19-21-24-30 on
the Kojak wheelset.

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[dougP]

Clyde:

Action Tec lists a 36t (also 38 & 39!) on their website but they are
titanium @ $78 each. You can buy the entire 12-36 9 speed Shimano
cassette from Riv for a lot less ($55 last time I noticed). For your
7 speed, there's a 13-34 standard Shimano cassette.

The bargain option I've used is the take-off stock at my LBS. Brand
new & near new stuff that's come off bikes being upgraded. For
instance, lots of 11-34 9s cassettes because people want the 12-36 on
the 29" wheeled MTBs. So you can get close to where you want with a
34.

Patrick is right about the ease of dis-assembly. For instance, I
currently have an 8s cassette made out of a 7 speed 13-28 plus a 9s 34
large cog, all built up with 8s spacers. Oddly, I need to shim
between the 13 (with built in spacer) and 15 but shifting is flawless,
even from the 7s 28 to the 9s 34. This stuff is pretty forgiving.

Cautionary note: You need solid cogs (not the ones riveted together
on a spider) to use for custom cassettes.

dougP

[Thomas Nezovich]

You should be able to do this.
Not necessarily a longer B screw but your old one put in from the back side. Search for reversed B screw and you will find some pics.

The shim you mention is a bottom bracket or freewheel spacer. I use a six speed cassette on an 8 sp hub and it takes the 4.5 mm spacer that adapts 7speed to 8 sp hubs plus a 2 mm bb spacer. Without that 2mm spacer the lockring does not snug down

[Steve Palincsar]

On Thu, 2012-02-09 at 09:31 -0800, ccanter wrote:
> Does anyone know of a source for them? My knees are begging me for
> this. My frugal nature has me wondering why not just buy a cog and
> convert the cassettes I already own. Additionally my herd runs 7 and
> 9
> speed drive trains, so I'd like to do this for my 7 speed stuff too.
> I have seven speed spacers, but I would also need an additional shim
> to compensate for the thickness difference between the two cogs would
> I not?
> Anyone think of a reason I could not do this....

Why not just buy the 7 spd K cassette (13-34) and the 9 speed 12-36 and
use them?

[Jim Thill - Hiawatha Cyclery]

I'm not aware of a source for 36t cogs, since that's not one that wears out, and most of the cassettes are not made to have cogs switched out (easily) these days. As someone pointed out, the Shimano 12-36 9sp cassette and the 7sp 13-34 cassette are not terribly expensive. Even if you could find the correct cog, it sure seems like a lot of screwing around.

[dougP]

"Even if you could find the correct cog, it sure seems like a lot of
screwing around."

Don't discount the entertainment value of screwing around. Rational?
Probably not.

dougP

On Feb 9, 3:55 pm, Jim Thill - Hiawatha Cyclery <thill....@gmail.com>
wrote:

[Jim Thill - Hiawatha Cyclery]

True, I may have lost my appreciation for screwing around with bike parts when I started trying to make it pay the bills! What was I thinking?

[Bruce Herbitter]

Loosescrews.com has old stuff and the items change from time to time. Have you checked with them?

On Fri, Feb 10, 2012 at 3:45 AM, Jim Thill - Hiawatha Cyclery <thil...@gmail.com> wrote:

True, I may have lost my appreciation for screwing around with bike parts when I started trying to make it pay the bills! What was I thinking?

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[clyde canter]

 Seems to me that 50 to 75 bucks for a set of cogs is not that inexpensive in my estimation. Specially when I only need one.   I just thought it would be cool if I could lower my compact double ( 46-34) a tad for cheap.

 

On Thu, Feb 9, 2012 at 6:55 PM, Jim Thill - Hiawatha Cyclery <thil...@gmail.com> wrote:

I'm not aware of a source for 36t cogs, since that's not one that wears out, and most of the cassettes are not made to have cogs switched out (easily) these days. As someone pointed out, the Shimano 12-36 9sp cassette and the 7sp 13-34 cassette are not terribly expensive. Even if you could find the correct cog, it sure seems like a lot of screwing around.

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[clyde canter]

If I do decide to pull the trigger on the whole set of nine, I'll be sure to shop you first.

 

On Fri, Feb 10, 2012 at 4:45 AM, Jim Thill - Hiawatha Cyclery <thil...@gmail.com> wrote:

True, I may have lost my appreciation for screwing around with bike parts when I started trying to make it pay the bills! What was I thinking?

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[PATRICK MOORE]

I knew a Swedish rider (Olaf Stroh, nice guy) who drilled a 38 t TA outer chainring to bolt to the penultimate cog of a Shimano cassette, then made an extended mounting arm for his rd so that this could accomodate the new cog. Lessee: 24/38X27" = 17 whole gear inches. I hear that at least one, old SunTour rd could actually accomodate a 38 t big cog. 

Then there is the Mountain Tamer Quad -- http://abundantadventures.com/quads.html -- still available from the same guy I visited at the same place back in 1990, in deep, SE Albuquerque. Make a 16 t cog into your granny ring! (16/38X27" = 11".)

Me, the only time I use the 24 is when I am bullying my way through deep sand -- and even then I tend to fall over after about 15 feet.

[PATRICK MOORE]

Actually, this is new and may be a good idea if you want really low gears: it replaces the granny with a device that lets you install a cog as small as 17t in its place:

http://abundantadventures.com/mt_triple.html

[William]

I think the people advising you to buy full cassettes are those that shop online and see the SRAM PG-950 11-34 9-speed cassette for as little as $30 shipped to your door, and see the Shimano HG61 12-36 9-speed cassette for as little as $48 shipped to your door.  I think they are just cutting to the chase, since there is no readily available 36t cog.  

I'm with you on the notion of trying to do the minimum to achieve the particular goal.  I try and do that, too.  In this particular case, though, the minimum that has a high likelihood of success might just be to spend the $48, Bob's your uncle, low gears achieved.  Not all that satisfying from a bike tinkering perspective, but your knees will love you.  

Best of luck whatever you choose.  

[William]

For what it's worth, Harris has a 33-tooth 110mm chainring.  It's $48 plus shipping, but there you are.  

[Garth]

ccanter:  Seems to me that 50 to 75 bucks for a set of cogs is not that inexpensive in my estimation. Specially when I only need one.   I just thought it would be cool if I could lower my compact double ( 46-34) a tad for cheap.


All depends on your perspective .... and your willingness to see other ones. If you want to talk about dollars .... let's cut to the chase. What's your knees worth ? ...... priceless :) ... end of story.

I don't see any problem buying a cassette just for one cog, as you'll simply have spares of the other cogs.  It's not like they're going into the bin or anything. Then you can simply replace a cog as needed. 

[Steve Palincsar]

On Fri, 2012-02-10 at 11:48 -0800, William wrote:
> I think the people advising you to buy full cassettes are those that
> shop online and see the SRAM PG-950 11-34 9-speed cassette for as
> little as $30 shipped to your door, and see the Shimano HG61 12-36
> 9-speed cassette for as little as $48 shipped to your door. I think
> they are just cutting to the chase, since there is no readily
> available 36t cog.

Well, exactly. What's more, cassettes are wear items, and generally the
sprockets are not available individually, so whenever the first one gets
worn to the point of no return it's time to put on a new cassette.

[PATRICK MOORE]

Actually, Miche sells them all, I think, up to 32 or 34t and even has weird, big small cogs: I've got a 16 t outer (a manly size). About $10 each from Quality through my LBS.

On Fri, Feb 10, 2012 at 2:19 PM, Steve Palincsar <pali...@his.com> wrote:

Well, exactly.  What's more, cassettes are wear items, and generally the
sprockets are not available individually, so whenever the first one gets
worn to the point of no return it's time to put on a new cassette.

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[William]

$10 true.  But on Harris, which just shows you the QBP catalog, the biggest shimano compatible cog you can buy is a 29t.  No 32, no 34, and certainly no 36.  

They do have the first position cogs in 11, 12, 13, 14, 15, 16 and 17!  

[PATRICK MOORE]

17??!! **THAT'S** what I need! I've only got 15 and 16. For my 46 t big ring!! 17-26 straight block 10 speed!

But you did say that a worn cog was cause for a new cassette; now it's not the 32, 34 or 36 that is going to wear out in a normal lifetime. A Miche will keep your cassette going.

On Fri, Feb 10, 2012 at 3:53 PM, William <tape...@gmail.com> wrote:

$10 true.  But on Harris, which just shows you the QBP catalog, the biggest shimano compatible cog you can buy is a 29t.  No 32, no 34, and certainly no 36.  

They do have the first position cogs in 11, 12, 13, 14, 15, 16 and 17!  

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[William]

" you did say that a worn cog was cause for a new cassette"

Nope.  That was Steve Palincsar that said that.  

I believe in cog-swapping (within reason).  Even more, though, I believe in frequent chain replacement, spinning at nice high cadence in nice low gears, and most of all owning a whole bunch of bikes and riding them all.  It's a kind of 'wear-leveling'

[PATRICK MOORE]

I had aimed by barb at Steve -- sorry if you got in the way.

On Fri, Feb 10, 2012 at 5:03 PM, William <tape...@gmail.com> wrote:

" you did say that a worn cog was cause for a new cassette"

Nope.  That was Steve Palincsar that said that.  

[truegolden]

Regarding the modification of the rear derailleur to accommodate a
larger cassette / freewheel cog:

Just this week I read about doing that on the bikeforums.net.

A fellow was able to use a water jet cutter of some sort at his
community college to cut a longer cage so he could
use a vintage derailleur and a larger tooth freewheel. Not sure what
measure of success with new set up yet or if he has even had a chance
to test it out.

A search should turn it up that discussion.

Regards,

Paul
Dallas,TX area

On Feb 10, 12:49 pm, PATRICK MOORE <bertin...@gmail.com> wrote:
> I knew a Swedish rider (Olaf Stroh, nice guy) who drilled a 38 t TA outer
> chainring to bolt to the penultimate cog of a Shimano cassette, then made
> an extended mounting arm for his rd so that this could accomodate the new
> cog. Lessee: 24/38X27" = 17 whole gear inches. I hear that at least one,
> old SunTour rd could actually accomodate a 38 t big cog.

[clyde canter]

You know eventually Sunrace, or Sram will produce a 36t cassette for cheap.  I think the smart thing to do is just wait for that.

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[Brian Hanson]

Here's some pics of my recently changed drive-train.  I added the HG61 Shimano 12-36t cassette to my Hilsen and went all 9sp indexed.  After a bit of fiddling, I have a pretty nice stump pulling setup with a 24" low to a 103.5" high on two chainrings.  The Campy front derailleur is indeed a great catch. 

http://flic.kr/s/aHsjyGQPYx

Brian H
Seattle, WA

[Bruce Herbitter]

I notice that your Hilsen has indented chain stays. I don't think I've seen these on this model before. I wonder if that is due to which factory (Waterford?) it was made at. My Saluki (same bike, different head badge) doesn't have them. Neither does the Ram or the Road Standard. In fact the old Maruishi-for-Nashbar and Bridgestone MB-2 in the garage all have smooth (if tapered) stays.  I know the crimping is done for clearance in certain sityations, but I like the un-crimped look better.  The color scheme of your bike is very nice, btw.

[Brian Hanson]

Waterford - first one in 2009 based on serial number.  

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