Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 06-23-10, 02:13 PM   #1
walterz54
Member
Thread Starter
 
Join Date: Feb 2008
Bikes:
Posts: 26
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
loose braze on

my downtube braze on for the water bottle cage is loose in the frame. how can I fix it?
walterz54 is offline   Reply With Quote
Old 06-23-10, 02:21 PM   #2
Airburst
Senior Member
 
Join Date: Oct 2009
Location: England, currently dividing my time between university in Guildford and home just outside Reading
Bikes: Too many to list here!
Posts: 1,921
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
If it's a steel frame, you can just have it brazed back in. You might want to post something in the framebuilders section of the site and see if anyone there knows where you can get it done in your area.
Airburst is offline   Reply With Quote
Old 06-23-10, 03:07 PM   #3
kidd546
Member
 
Join Date: Apr 2008
Bikes:
Posts: 29
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Is it a braze on? It may be a rivnut! There is a way to tighten a rivnut if it is loose. A picture would help.
kidd546 is offline   Reply With Quote
Old 06-23-10, 03:16 PM   #4
DMF 
Elitist Troglodyte
 
DMF's Avatar
 
Join Date: Jun 2006
Location: Dallas
Bikes: 03 Raleigh Professional (steel)
Posts: 6,924
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
New Posters - please READ THIS

Braze-on? For a bottle cage?
__________________
Stupidity got us into this mess - why can't it get us out?

- Will Rogers
DMF is offline   Reply With Quote
Old 06-23-10, 03:18 PM   #5
Asi
Engineer
 
Asi's Avatar
 
Join Date: May 2010
Location: Bucharest, Romania, Europe
Bikes: 1989 Krapf (with Dura-ace) road bike, 1973 Sputnik (made by XB3) road bike , 1961 Peugeot fixed gear, 2010 Trek 4400
Posts: 497
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
usually for the bottle cage it's just a threaded thing inserted into a hole (like a spoke nipple but larger), it can be glued in place with some epoxy or soldered or brazed. But for such a small thing epoxy works.

I've glued two regular nuts on a frame that didn't had holes for the bottle cage and stand fine for several years (i had stripped the paint for a good gluing though).
But if you have the holes and have the threaded nuts that fits in that holes, then almost any glue even superglue might work, but I'd recommend epoxy (two component like Bison Epoxy)
Asi is offline   Reply With Quote
Old 06-23-10, 03:50 PM   #6
jsharr
You Know!? For Kids!
 
jsharr's Avatar
 
Join Date: Apr 2005
Location: Just NW of Richardson Bike Mart
Bikes: '05 Trek 1200 / '90 Trek 8000 / '? Falcon Europa
Posts: 6,157
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
http://www.parktool.com/repair/printhowto.asp?id=147

Pretty cool way to fix a loose braze on with a QR skewer
__________________
Are you a registered member? Why not? Click here to register. It's free and only takes 27 seconds! Help out the forums, abide by our community guidelines.
Quote:
Originally Posted by colorider View Post
Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
jsharr is offline   Reply With Quote
Old 06-23-10, 04:32 PM   #7
Asi
Engineer
 
Asi's Avatar
 
Join Date: May 2010
Location: Bucharest, Romania, Europe
Bikes: 1989 Krapf (with Dura-ace) road bike, 1973 Sputnik (made by XB3) road bike , 1961 Peugeot fixed gear, 2010 Trek 4400
Posts: 497
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
the QR is for removing the rivet inserts, not for installing (installing can be done with a rubber mallet)
Asi is offline   Reply With Quote
Old 06-23-10, 08:53 PM   #8
jsharr
You Know!? For Kids!
 
jsharr's Avatar
 
Join Date: Apr 2005
Location: Just NW of Richardson Bike Mart
Bikes: '05 Trek 1200 / '90 Trek 8000 / '? Falcon Europa
Posts: 6,157
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Quote:
Originally Posted by Asi View Post
the QR is for removing the rivet inserts, not for installing (installing can be done with a rubber mallet)
Wrong. If it is a loose riv nut, which is held in place by being expanded when compressed, like a rivet, then the QR trick can be used to try to get it to expand. If still in doubt, click the link and read the how to from Park.
__________________
Are you a registered member? Why not? Click here to register. It's free and only takes 27 seconds! Help out the forums, abide by our community guidelines.
Quote:
Originally Posted by colorider View Post
Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
jsharr is offline   Reply With Quote
Old 06-23-10, 09:41 PM   #9
JohnDThompson 
Old fart
 
JohnDThompson's Avatar
 
Join Date: Nov 2004
Location: Appleton WI
Bikes: Several, mostly not name brands.
Posts: 16,452
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 91 Post(s)
Quote:
Originally Posted by jsharr View Post
http://www.parktool.com/repair/printhowto.asp?id=147

Pretty cool way to fix a loose braze on with a QR skewer
Except it only works for "riv-nut" type cage mounts, not actual braze-on mounts.
JohnDThompson is offline   Reply With Quote
Old 06-24-10, 08:10 AM   #10
jsharr
You Know!? For Kids!
 
jsharr's Avatar
 
Join Date: Apr 2005
Location: Just NW of Richardson Bike Mart
Bikes: '05 Trek 1200 / '90 Trek 8000 / '? Falcon Europa
Posts: 6,157
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Quote:
Originally Posted by JohnDThompson View Post
Except it only works for "riv-nut" type cage mounts, not actual braze-on mounts.
Which is why I wrote this: "Wrong. If it is a loose riv nut, which is held in place by being expanded when compressed, like a rivet, then the QR trick can be used to try to get it to expand. If still in doubt, click the link and read the how to from Park. " in the post above yours.
__________________
Are you a registered member? Why not? Click here to register. It's free and only takes 27 seconds! Help out the forums, abide by our community guidelines.
Quote:
Originally Posted by colorider View Post
Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
jsharr is offline   Reply With Quote
Old 06-24-10, 09:57 AM   #11
davidad
Senior Member
 
Join Date: Feb 2009
Bikes:
Posts: 4,857
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 11 Post(s)
Assuming a riv-nut the Park tool method works. I did it with a loose bottle cage "braze on" on Ten Wheels Cannondale tourer and it is still tight.
davidad is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -6. The time now is 03:18 AM.