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Dead Ultegra 6600 shifter (RHS)

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Dead Ultegra 6600 shifter (RHS)

Old 05-14-15, 03:46 PM
  #1  
Alrocket
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Dead Ultegra 6600 shifter (RHS)

My right hand side shifter (Ultegra 10, 6600) is dead, the ratchet mechanism is missing pulls, so I need a replacement. Any advice on what way to go? Most new shifters are in pairs, hard to find a single one, especially an older tech.

Is new Tiagra or 105 as good (and compatible)? What about older Dura Ace 10 speed, etc? Drivechain is 10 speed, mostly Ultegra 6600 with Dura Ace rear mech. Any other suggestions?
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Old 05-14-15, 03:52 PM
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upthywazzoo 
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I've bought a 7800 right for $50 on Ebay before. It was just the right time, I guess. Given Shimano's trickle down system I would assume that modern Tiagra will be plenty good enough. 5700 shifters are nice too. Only thing is that I believe the 6600 shifters (and 7800) have a different shape than the newer ones.
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Old 05-14-15, 04:11 PM
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jyung
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Originally Posted by Alrocket View Post
My right hand side shifter (Ultegra 10, 6600) is dead, the ratchet mechanism is missing pulls, so I need a replacement. Any advice on what way to go? Most new shifters are in pairs, hard to find a single one, especially an older tech.

Is new Tiagra or 105 as good (and compatible)? What about older Dura Ace 10 speed, etc? Drivechain is 10 speed, mostly Ultegra 6600 with Dura Ace rear mech. Any other suggestions?
If your 'missing pulls' are similar to what I recently experienced on both my ultegra 6600 brifters, you can try to fix then with a WD-40 flush, then finish with your favorite lubricant. Typically the inner lever used to shift to a smaller chainring/cog would only catch after several tries.

From research on this forum, the original grease that was used in them eventually hardens. A healthy application/soaking/working the gears with WD-40 can loosen and remove the hardened grease. Then all you need is a protective lubricant and you should be good to go.
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