Cycling Equipment · Public discussion

A silver lining? (was: "alas, poor Yorick...")

Chris Zacho "Th · 2003-07-02T23:30:15+00:00

Sorry if starting a new post thread on the same subject is a no-no, I just don't like long threads, they tend to bury other peoples questions. :-3) Since it seems I _can_ have my rear dropout re-welded (My LBS knows a frame builder) with no worries of the frame being weakened, maybe I can use this misfortune to my advantage, and have it upgraded for disc brakes too. They seem to be the best bet for braking in the sticky Carolina clay. But I have a couple of questions first... 1. This is an older frame (89 Schwinn Sierra, hardtail). It is made of tig welded CrMo steel, but this was in the days prior to ATB disc brakes. Question: Can DB mounts be welded onto the rear S.stay of this bike? 2. I would also like to, if possible, have a DB mount welded to my front fork as well, but to the FRONT side of it. This would alleviate the QR-axle-being-thrust-out-of-the-dropout problem. Especially in my case, since my forks were made in the days before "lawyer lips". Question: Will disc brakes like the Hayes or Avid mechanicals still work even if they're mounted backwards? Thanks in advance, Your response is welcomed. Your patience appreciated. May you have the wind at your back. And a really low gear for the hills! Chris Chris'Z Corner "The Website for the Common Bicyclist": http://www.geocities.com/czcorner

Started by Chris Zacho "Th · 2 July 2003 · Last activity 4 July 2003 · 5 posts · 831 views

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Original section: Cycling Equipment
Published: 2 July 2003
Last activity: 4 July 2003
Original author: Chris Zacho "Th
Posts: 5
Discussion status: Public discussion
Total views: 831
Views / 30 days: 0
Topics: Disc brakes Drivetrain compatibility Rim brakes

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Original post
Chris Zacho "Th
Archived post

2 July 2003, 23:30 UTC #1

Sorry if starting a new post thread on the same subject is a no-no, I just don't like long threads,
they tend to bury other peoples questions.
:-3)
Since it seems I _can_ have my rear dropout re-welded (My LBS knows a frame builder) with no worries
of the frame being weakened, maybe I can use this misfortune to my advantage, and have it upgraded
for disc brakes too. They seem to be the best bet for braking in the sticky Carolina clay. But I
have a couple of questions first...
1. This is an older frame (89 Schwinn Sierra, hardtail). It is made of tig welded CrMo steel, but
this was in the days prior to ATB disc brakes. Question: Can DB mounts be welded onto the rear
S.stay of this bike?
2. I would also like to, if possible, have a DB mount welded to my front fork as well, but to the
FRONT side of it. This would alleviate the QR-axle-being-thrust-out-of-the-dropout problem.
Especially in my case, since my forks were made in the days before "lawyer lips". Question: Will
disc brakes like the Hayes or Avid mechanicals still work even if they're mounted backwards?
Thanks in advance, Your response is welcomed. Your patience appreciated.
May you have the wind at your back. And a really low gear for the hills! Chris
Chris'Z Corner "The Website for the Common Bicyclist": geocities.comczcorner

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S. Anderson
Archived post

3 July 2003, 01:00 UTC #2

"Chris Zacho "The Wheelman"" <[email hidden]> wrote in message
"]news:[email hidden]...
Quoted message said:
Sorry if starting a new post thread on the same subject is a no-no, I just don't like long
threads, they tend to bury other peoples questions.
:-3)
Since it seems I _can_ have my rear dropout re-welded (My LBS knows a frame builder) with no
worries of the frame being weakened, maybe I can use this misfortune to my advantage, and have it
upgraded for disc brakes too. They seem to be the best bet for braking in the sticky Carolina
clay. But I have a couple of questions first...
<<snip..>>
Quoted message said:
May you have the wind at your back. And a really low gear for the hills! Chris
Chris'Z Corner "The Website for the Common Bicyclist": geocities.comczcorner
You sure a disc brake is an upgrade?? ;-)
Cheers,
Scott..

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David Kunz
Archived post

3 July 2003, 10:30 UTC #3

S. Anderson said:
"Chris Zacho "The Wheelman"" <[email hidden]> wrote in message
"]news:[email hidden]...
Quoted message said:
Sorry if starting a new post thread on the same subject is a no-no, I just don't like long
threads, they tend to bury other peoples questions.
:-3)
Since it seems I _can_ have my rear dropout re-welded (My LBS knows a frame builder) with no
worries of the frame being weakened, maybe I can use this misfortune to my advantage, and have it
upgraded for disc brakes too. They seem to be the best bet for braking in the sticky Carolina
clay. But I have a couple of questions first...
<<snip..>>
Quoted message said:
May you have the wind at your back. And a really low gear for the hills! Chris
Chris'Z Corner "The Website for the Common Bicyclist": geocities.comczcorner
You sure a disc brake is an upgrade?? ;-)
Cheers,
Scott..
It sure was for me. But, I had the mounts!
As to the question -- I'd ask the frame builder. He'd be the one that's in the best position to know
-- and, he'll have your frame & fork in his hands so he can make a good assessment. He may even be
able to put some lawyer-like lips on 🙂.
BTW, getting the mounts and calipers is one thing. The more expensive part is often hubs that are
compatible with disc rotors!
David

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Chris Zacho "Th
Archived post

4 July 2003, 01:00 UTC #4

Quoted message said:
You sure a disc brake is an upgrade?? ;-)
Quoted message said:
Cheers,
Quoted message said:
Scott..
In the muck I have to contend with whilst MTB'ing here? Yes.
You should hear it grinding away my rims!
May you have the wind at your back. And a really low gear for the hills! Chris
Chris'Z Corner "The Website for the Common Bicyclist": geocities.comczcorner

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S. Anderson
Archived post

4 July 2003, 02:00 UTC #5

"Chris Zacho "The Wheelman"" <[email hidden]> wrote in message
"]news:[email hidden]...
Quoted message said:

In the muck I have to contend with whilst MTB'ing here? Yes.
You should hear it grinding away my rims!
May you have the wind at your back. And a really low gear for the hills! Chris
Chris'Z Corner "The Website for the Common Bicyclist": geocities.comczcorner
Yeah, in the goo they are an improvement. I was trying to start an ugly rim brake vs. disc brake
controversy again!! heehee...As far as your Schwinn goes, you may have a problem because of the
S-stays. I don't think it's insurmountable, but your framebuilder may have to manufacture a little
offset bracket to hold the tab for the caliper if the stay bends away where the caliper is supposed
to mount. The caliper needs to be square to the rotor and it needs to be in a fairly set location
away from the rotor. In all likliehood, both tabs will have to be offset somewhat from your stay to
mount correctly. But since you're deep into it with the torches, this all shouldn't be a problem.
Piece of cake for a good frame builder, even a hack framebuilder. He'll likely need a hub with a
rotor on it and your caliper to mock up the location of the caliper on the stay. He'll build a
bracket for each, tack the tabs, check the alignment and blaze away. May add a bit to the cost.
Re-finishing will be the challenge. If you want to keep the bike, get a pro to paint it. I've always
found it very hard to get a good finish without the proper paint and equipment. Paint should run
$100 or so professionally. If you're not too concerned about looks, just paint the portion that gets
heat damaged and leave the rest of the frame as is..the original paint is better than anything
you'll likely be able to perform at home. Good luck!
Scott..

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