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PostPosted: Wed Mar 06, 2013 12:34 pm 
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Joined: Fri Feb 11, 2011 4:23 am
Posts: 236
Hi all,
I have 2 pairs of 7970 shifters and both vibrate and rattle on rough roads. I sent my first set back because of this and the new replacement does the same. Anyone else experience this or is it just me?


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Posted: Wed Mar 06, 2013 12:34 pm 


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PostPosted: Wed Mar 06, 2013 2:41 pm 
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Joined: Sat Mar 24, 2012 4:13 pm
Posts: 209
Never happened to me in 9 months, so far. Maybe there's a torque setting?

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PostPosted: Wed Mar 06, 2013 3:44 pm 
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Joined: Sun Mar 27, 2011 8:16 pm
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This is happening to me too- suddenly developed a couple of rides ago, very annoying!


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PostPosted: Wed Mar 06, 2013 7:44 pm 
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Location: NoVA/DC
Possibly the reach adjustment? Try screwing down the reach screw until it just starts moving the lever in.
Otherwise, look at the lever return spring. Possibly just vibrating, maybe some grease on it would quiet it down.


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PostPosted: Wed Mar 13, 2013 5:29 am 
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Joined: Fri Feb 11, 2011 4:23 am
Posts: 236
thisisatest wrote:
Possibly the reach adjustment? Try screwing down the reach screw until it just starts moving the lever in.
Otherwise, look at the lever return spring. Possibly just vibrating, maybe some grease on it would quiet it down.

Thanks...
Yes I thought about the reach adjustment and will have a play. All 3 levers have done it from new, out of the box, all on different bikes... Shimano Aust couldn't explain it on the first warranty return, so it mustn't be a common thing, guess I'm just unlucky :-)


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PostPosted: Wed Mar 27, 2013 12:37 pm 
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Not the reach adjustment unfortunately... Wish it was that easy...

Seems its the shifter/paddle and switch which is rattly... Strange I've had 3 sets of shifters, all with the same rattle... And not many others with the same experience...


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PostPosted: Wed Mar 27, 2013 7:09 pm 
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Joined: Thu Jan 17, 2013 3:37 am
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I have this issue with my 6700 ultegra, right lever is worse

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PostPosted: Thu Mar 28, 2013 4:52 pm 
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Posts: 340
I have the same issues. The spring in the rear brake is not strong enough to keep the cable tight, when there is just a tiny amount of sand in the brake.


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Posted: Thu Mar 28, 2013 4:52 pm 


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PostPosted: Thu Mar 28, 2013 5:53 pm 
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Joined: Tue Sep 11, 2012 6:07 pm
Posts: 436
Ultegra 6700. Same issue, same side. I noticed it last weekend during a century ride on really rough roads. What I did notice is that the noise went away when I was on the hoods and gripping the inside, not merely resting my hands on it. Kind of annoying.

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