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PostPosted: Sun Jun 03, 2012 9:07 am 
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Joined: Tue Apr 05, 2011 7:41 pm
Posts: 630
Hi all I have a centaur powetorque chainset which has developed an annoying tick/click when under load. I gotta feeling this is down to the ridiculous wave washer that is used to preload the bearing anyone else have similar experience and a fix? It is soooooo annoying, a trusted mechanic faced the bb and prepped as per spec.


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PostPosted: Sun Jun 03, 2012 12:24 pm 
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Joined: Thu Jan 27, 2011 9:52 pm
Posts: 422
Location: USA
Try to ad a 2nd wave washer. This did the trick for me with my 2012 SR titanium crank.


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PostPosted: Sun Jun 03, 2012 1:27 pm 
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Joined: Tue Apr 05, 2011 7:41 pm
Posts: 630
Cheers will give it a go frankie


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PostPosted: Sun Jun 03, 2012 3:15 pm 
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Joined: Sat Oct 04, 2008 5:14 pm
Posts: 161
Location: Portugal
What tools are you using to remove the cranks?


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PostPosted: Sun Jun 03, 2012 4:04 pm 
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in the industry

Joined: Sat May 12, 2012 7:25 pm
Posts: 2633
Location: Glermsford, Suffolk U.K
The ultra torques do this as well, a second wavy washer is probably the best solution after facing has been tried. Mine clicks a bit bit too but is not too bad yet.

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PostPosted: Sun Jun 03, 2012 4:44 pm 
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Posts: 630
my mechanic has tools to remove


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PostPosted: Sun Jun 03, 2012 5:34 pm 
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Joined: Thu Sep 21, 2006 8:54 pm
Posts: 838
Location: Reading, UK
Monkeyboy3333 wrote:
Hi all I have a centaur powetorque chainset which has developed an annoying tick/click when under load.


Are you sure it's the chainset? There are many sources of creaks on a bike and it can be easy to jump to the wrong conclusion.


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PostPosted: Sun Jun 03, 2012 11:31 pm 
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Joined: Tue Jan 27, 2009 8:12 pm
Posts: 213
Location: seattle wa
Not sure that there was ever a power torque version of the SR crankset, so adding a second washer here doesn't apply. The power torque washers are a completely different piece than the ultra torque washers, must be four or five times as thick as an ultra torque wave washer when compressed. I highly doubt that you could get two power torque washers in there.

As for the creaking, there are several spots you must eliminate:

Ticking sound: remove bb cups, face and chase bb (if both have not already been done), grease thoroughly and reinstall. If press fit remove, add friction compound and reinstall. Grease pedal threads and lip where pedal contacts crankarm. Grease crank bolt liberally, including underside of lip. Grease rear dropout faces where they contact clamping surfaces of rear hub. Also check bar/stem connection. Grease inner and outer surfaces of chainring bolts.

Creak: grease crankarm/spindle interface. Grease wave washer. Check BB area and rear end for cracks. Overhaul pedals. Lightly grease/oil the crossing points of spokes in rear wheel. Overhaul rear hub. Grease free hub spline/cassette interface.

My best guesses


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PostPosted: Mon Jun 11, 2012 9:09 pm 
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Joined: Tue Apr 05, 2011 7:41 pm
Posts: 630
Thanks for all the advice here, defo the chainset power torque issue , installed as per spec but when i push against the crankbolt with force along the spindle there is a tiny element of play and subsequent knock/ creak , this as if the bearings are not being preloaded by wave washer where d i go from here? Any mechanics out there with advice, i have ordered 2nd wave washer but doubt there will be sufficient space to fit it.....


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PostPosted: Tue Jun 12, 2012 7:57 pm 
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in the industry

Joined: Sat May 12, 2012 7:25 pm
Posts: 2633
Location: Glermsford, Suffolk U.K
Is your BB shell with spec? Maybe try a second ultra torque washer as they are thinner. Have you tried new bearings, they maybe faulty somehow.

I would do things in that order as that is the order of least to most expensive.

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PostPosted: Tue Jun 12, 2012 9:36 pm 
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Posts: 630
bm0p700f wrote:
Is your BB shell with spec? Maybe try a second ultra torque washer as they are thinner. Have you tried new bearings, they maybe faulty somehow.

I would do things in that order as that is the order of least to most expensive.


Is ultra torque spindle same diameter as powertorque then? Thus allowing me to have a go at your suggestion....


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PostPosted: Tue Jun 12, 2012 10:45 pm 
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in the industry

Joined: Sat May 12, 2012 7:25 pm
Posts: 2633
Location: Glermsford, Suffolk U.K
Well since all external BB use 6805 bearings the axles have to be the same diameter.

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PostPosted: Wed Jun 13, 2012 5:14 pm 
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Joined: Tue Apr 05, 2011 7:41 pm
Posts: 630
This is whats great about this forum, people with common sense that indont have! Thanks man


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PostPosted: Thu Jun 14, 2012 5:55 am 
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Joined: Mon Jul 18, 2011 7:25 am
Posts: 76
Interested if you find a solution to the ticking. I'm going mental trying to silence this issue as well. I hope to hear back with what worked for you and will give the advice listed here a go!


Last edited by Tricky1 on Fri Jun 15, 2012 5:14 am, edited 1 time in total.

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PostPosted: Thu Jun 14, 2012 6:39 am 
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Joined: Fri Feb 18, 2011 8:33 am
Posts: 139
+1 . I have a similar "clicking" form a 2011 SR group... Will defintiely give the advice here a go.
Thanks all


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