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Buzzes and Rattles in STI Shifters(7 posts)

Buzzes and Rattles in STI ShiftersArtNJ
Aug 19, 2001 4:14 AM
Sometimes my right Ultegra (6500) STI shifter/brake lever gives off a sound like something is loose in there. Has anyone else had this problem? And how did you fix it? I've been trying to figure out how to remove the plastic top cap on the shifters, but I don't want to bust it. How does one go about getting the cap off?

re: Buzzes and Rattles in STI ShiftersCar Magnet
Aug 19, 2001 5:09 AM
A lot of people in here have had the same problem. You can do a search on the board for solutions. My preferred method is clear silicone.
Remove the caps, apply clear silicone to the back of the cap, let dry and re-install.
Here's a FixGW Rider
Aug 19, 2001 7:26 AM
ArtNJ -

Try this site's fix:

Hope this helps.

Keep the shiny side up and the dirty side down.
Try this site....DINOSAUR
Aug 19, 2001 7:36 AM
Common problem with the 99-01 Ultegra/105 STI plastic nameplate brake lever dustcaps.

You can try this:

Or: What I did after mine fractured and I couldn't find replacements, (even from Shimano), I just removed them. They serve no purpose and my bike has no more rattles.

This is one reason I am veering toward Campy with my next bike. Finding small Shimano parts is near impossible. My other option is to purchase the complete sti brake levers, they don't sell the parts separately....

My sti's have around 15K and they are on their last legs...
Dinosaur & Gw Riderhwy45
Aug 19, 2001 12:45 PM
Couldn't thank one without thanking the other. Sounds exactly like the problem on my 2000 Ultegra. I'll get right on it. That's what I like most about this site. Thanks again, Hwy45
re: Buzzes and Rattles in STI Shifters- Thanks!Art
Aug 19, 2001 3:55 PM
Hey all, thanks for the help and the link. I'll fix my shifters this week. I really appreciate it.

Careful, there is...Lone Gunman
Aug 19, 2001 6:35 PM
A black tab that this dust cap snaps into. It is screwed into the center of the lever. When you begin prying. make sure you don't pry on the black tab. If one breaks, the snap of the cap will most likely be the culprit.