Mystery Si SL creak

Discuss light weight issues concerning road bikes & parts.
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logy
Posts: 123
Joined: Fri Jun 03, 2011 6:30 pm

by logy

Hi All

crankset with spidering installed as per manual, all greased etc. Creaks begin after about 1 hour. Chain lubed then go away to recur. Any ideas?

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Martin.F
Posts: 763
Joined: Sat May 28, 2005 9:21 pm
Location: Norway, Drammen

by Martin.F

New chainring and chain? No creaks when chain is "dripping lubed"? I suspect difference in wear between drivetrain components.
WTB Syncros bar/stem unit for foil

topflightpro
Posts: 806
Joined: Tue Jan 13, 2009 2:35 am

by topflightpro

Is it possible that it's the bearings that are creaking? This is a noted problem and if you search for BB30 creak, you can read a lot about it. If that is the issue, it can be solved with loctite.

headwind816
Posts: 335
Joined: Mon Mar 12, 2012 4:43 pm

by headwind816

Honestly, I would start by pulling the pedals and greasing the spindles. To me, it is the lowest hanging fruit. This action solved one of my creaking issues. Another time, one of my ring bolts was a bit loose.

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keith
Posts: 81
Joined: Wed Jul 16, 2008 10:38 pm
Location: North Wales
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by keith

I had a very strange creak once which went away if I lubed the cleat surface where it clipped into the pedal ( I used furniture polish spray!). Went away completely when I put new cleats on my shoes, the old ones were almost worn out. Pedals were carbon Shimano SPD-SL's
Riding my road bike in North Wales

http://www.strava.com/athletes/keith_robertson

petepeterson
Posts: 1402
Joined: Fri Jan 07, 2011 6:58 am
Location: 604

by petepeterson

It is probably the BB30
2/3's of my BB30 bikes have creaked.

thisisatest
Shop Owner
Posts: 1980
Joined: Sat Jun 13, 2009 4:02 am
Location: NoVA/DC

by thisisatest

Try going for a ride purely to get the bike to creak. I think it'll come around in less than five minutes. See if it's when standing/sitting, how dependent it is on effort, whether the bike has to be tossed side to side dramatically to make it creak louder, hand efforts, etc. narrow it down and get back to us.

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bura
Posts: 841
Joined: Mon Mar 01, 2010 8:07 pm
Location: Civitatis Vaticanae

by bura

@petepeterson: I am with you. But as he says "after 1 hour ride" ? Really?
I have experienced more often some chain ring bolts which were not equally torqued.
Kuota Kom Evo
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