Re: [CR]more drivetrain questions, chains and such...

(Example: Books:Ron Kitching)

To: kctommy@msn.com
Date: Fri, 4 Apr 2003 09:29:16 -0500
Subject: Re: [CR]more drivetrain questions, chains and such...
From: "Richard M Sachs" <richardsachs@juno.com>
cc: classicrendezvous@bikelist.org

snipped: <kctommy@msn.com> writes: "On the Campy NR chainrings, the smallest Campy made was 42 tooth."

they made 41s too. e-RICHIE chester ct

On Fri, 04 Apr 2003 13:35:10 +0000 "Thomas R. Adams, Jr." <kctommy@msn.com> writes:
>
> Regarding chains and freewheels for show vs. consumable use, if the
> bike is a show worthy piece that you want to ride, I'd suggest
> getting some "correct" pieces for display, but swapping out and
> using modern, replaceable parts for riding. Obviously a fiddle when
> it's time for the show, but it would keep your Regina Record Oro
> chain pristine, while you subject a low cost Sachs to the elements.
>
>
> As far as cross matching chains and freewheels, the only trouble
> I've ever had has been with a Shimano chain and a Sachs freewheel
> that just didn't get along. A switch to a Shimano freewheel quieted
> things down. I know I've used Sachs chains with Shimano, Sunrace
> and Suntour freewheels with no troubles, or at least none that I
> noticed or cared about. There may be nuances and shadings of
> shifting performance that my peasant tastes cannot distinguish, but
> Sachs chains seem happy with most anything.
>
> On the Campy NR chainrings, the smallest Campy made was 42 tooth.
> And yes, they are pricey now. Of course the small rings seeem to
> wear faster, which presumably consumed the supply of replacement
> rings and raised the price of those still available. Salsa, TA and
> a few other companies make replacement rings that are a bit more
> reasonable in price, but for me they don't wear as long as the hard
> Campy originals. As an added bonus, TA makes a 41 tooth ring for a
> bit lower gearing. That's as low as you can go on a NR type arm, so
> for lower gears, you either have to get a different crank, or put on
> a tripleizer ring and convert.
>
> Many sources for these parts, but I know Sheldon Brown's Harris
> Cyclery has had the TA and triple adapter rings in the past.
>
> Tom Adams, Shrewsbury NJ
>
>
>
>
>
> >From: ADP
>
>
> >To: classicrendezvous@bikelist.org
>
> >Subject: [CR]more drivetrain questions, chains and such...
>
> >Date: Fri, 04 Apr 2003 08:02:59 -0500
>
> >
>
> >I've been following the freewheel thread with interest, and I too
>
> >find a Shimano freewheel works pretty darn well. The Trek is
>
> >currently using a 7 speed on a Dura Ace freewheel hub, and before I
>
>
> >got some actual matching shifters with an indexing feature, the
>
> >friction downtube units worked really well. Everything is
>
> >funky-wide enough, that some crosschaining is not a big deal.
>
> >
>
> >A few questions relative to a bike that I'm building:
>
> >
>
> >The system I'm using on the Trek is running an old Sachs chain. It
>
>
> >appears that a SRAM PC48 is the replacement. Yes I know I could
>
> >find some sort of era chain, but as an MTBer, its hard for me to
> not
>
> >think of chains as a "consumable." Has anyone had any experience
>
> >using this chain with a Shimano 7 speed freewheel, Campy
>
> >derailleurs, and Campy chainrings up front?
>
> >
>
> >I know I push the freewheel tooth capacity of Shimano stuff all the
>
>
> >time. Apparently Dura Ace isn't supposed to like shifting to a 28
>
> >tooth (ok I'm not all that strong - I ride weenie gears) but it
> does
>
> >just fine. How about my pat.83 NR derailleur, will it shift happily
>
>
> >to a 42 x 28? Or at least with a minimum amount of complaining? I'm
>
>
> >sure this topic has been covered before, but not entirely sure if
>
> >all the circumstances are the same - Shimano 7 speed, SRAM chain...
>
>
> >
>
> >It appears that campy rings to fit my NR set are VERY expensive.
>
> >Again, as an MTBer, I tend to think "oh, these wear out," where
>
> >I've really not had the same experience with a road bike at all.
>
> >Still, I like to play with gear combinations, and for awhile when
> my
>
> >knees were very unhappy, and I was riding a bit in the GA hills, I
>
>
> >was riding a 39 instead of a 42 on the front. I'm not thinking that
>
>
> >the bike I'm building will be used for such things, but, are there
>
>
> >any 39 tooth campy rings in existence?
>
> >
>
> >Ann Phillips, Atlanta GA
>
> >late morning into work, gonna go meet my sweetie for 20 at Stone
>
> >Mtn!
>
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>
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>
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