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 02-16-08, 03:55 AM   #1
relyt
Senior Member
Thread Starter
 
Join Date: Jan 2004
Bikes:
Posts: 619
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
How to take apart Shimano indexing bar end shifters?

I have a pair of 8-speed indexed shifters, well-used. I moved the selector to friction mode, and it felt like something snapped inside, and now the selector moves freely with very little resistance, and it moves all the way around.

This means that the shifters are stuck in friction.

I took them off the mounts, and it looks like the parts are press-fit into the lever or something like that. I can't figure out how to get them apart.

Obviously the selector was moving something inside of the shifters, if I can find that thing and move it back into place, I should be able to get indexing back.

Does anyone know how to get at the mechanism inside?
relyt is offline   Reply With Quote
Old 02-16-08, 04:30 AM   #2
relyt
Senior Member
Thread Starter
 
Join Date: Jan 2004
Bikes:
Posts: 619
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Actually, it seems that I figured it out.

In order to get the guts out of the shifter, I had to break off the black plastic cover. After that, everything is threaded on and it is pretty obvious what is going on. I now have indexing back.

It turned out that the little selector (the one you use to go from friction to indexing mode) had stripped and was no longer moving anything, which is why it was spinning freely. Once the unit was opened, I saw that it was moving a nut which tightened the indexing stops against the springs. I was able to turn it with needlenose pliers, and now it works just fine.
relyt is offline   Reply With Quote
Old 02-16-08, 08:44 AM   #3
dobber
Perineal Pressurized
 
dobber's Avatar
 
Join Date: Oct 2003
Location: In Ebritated
Bikes:
Posts: 6,557
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
You shouldn't have had to break off any cover. Shimano's web site has schematics which show how to assemble/disassemble the units.
__________________
This is Africa, 1943. War spits out its violence overhead and the sandy graveyard swallows it up. Her name is King Nine, B-25, medium bomber, Twelfth Air Force. On a hot, still morning she took off from Tunisia to bomb the southern tip of Italy. An errant piece of flak tore a hole in a wing tank and, like a wounded bird, this is where she landed, not to return on this day, or any other day.
dobber 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 02:13 AM.