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Agentil
friend


Reged: 01/26/04
Posts: 25
How do you clean Dura Ace Shifters?
#4578 - 11/12/04 07:19 PM (12.145.80.72)

Hey!

I just bought a nice Calfee with full Dura Ace (2001, non-STI). The bike and components are in excellent condition except the shifters sound gritty...sorta like there's a little dirt/sand in there.

Question 1): Are the shifters easy to clean? Like, can they be soaked or submurged in degreaser, re-lubed, etc.?

Question 2): Call me a tool, but how do you get the shifters loosened from the handlebars. My Campy's have an easily visible and accessible allen wrench access point.

Thanks in advance for your help!

-A


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bfd
journeyman


Reged: 12/22/03
Posts: 77
Re: How do you clean Dura Ace Shifters? new [Re: Agentil]
#4580 - 11/12/04 08:34 PM (162.15.70.8)

Your best bet is to check to make sure your cables are not binding and/or do a "WD-40" Flush. Otherwise, Shimano STI levers are not repairable.

However, some have found ways to do some repairs:

Ultegra/105 "noisy levers":
http://www.chainreactionbicycles.com/noisystilevers.htm

Steve Alkire's 105/8spd disassembly/assembly
http://www.cyclingforum.com/features/downloads/STIdisDetail.doc

Bill Cotton's STI repair:
http://www.billcotton.com/sti_shifter_repair.htm


If none of the above work, unless the levers are still "under warranty", e.g., Shimano has 3 year warranty on Dura Ace stuff; 2 years on everything else, you may eventually need to get some new levers.....


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skagwayroadie
contributor


Reged: 12/20/03
Posts: 141
Loc: Alaska
Re: How do you clean Dura Ace Shifters? new [Re: Agentil]
#4599 - 11/14/04 06:12 PM (64.186.108.156)

Agentil...
My issue with this topic is not the cleaning of the shifter, it is a very simple process to cleam them with any number of spray cleaners, but how do you relube them with out risking taking them appart too far and never getting back together correctly. I understand they are NOT a friendly shifter to take apart. One could spray some silicon lube or similar lube, but they are, at best, a short term solution to that problem...grease should really be used in there. That shifter will wear out as fast dry, as it will with old grease and grit in it.

A new shifter would require minimal time investment and should immediately solve your problem and not take away riding time either. If you are mechanically inclined you could take a stabe at it and try to fix the old one and if you blow it, you are not out of a ride. Too bad Shimano is not rebuildable like most Campy components are.
Ciao...Mark


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skagwayroadie
contributor


Reged: 12/20/03
Posts: 141
Loc: Alaska
Re: How do you clean Dura Ace Shifters? new [Re: Agentil]
#4600 - 11/14/04 06:17 PM (64.186.108.156)

Oh, for got to answer question 2:


Pull the hood cover back, on the outside of the lever...there is a groove that leads to the cinching bolt. A 5mm allen wrench will take it off. The older levers had to be accessed by squeezing the lever and inserting the allen wrench to the back of the lever through the gap between the body and the brake lever...if my weak memory serves correctly.

Good luck...Mark


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