Noisy Cranks - Newish Bike?

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Noisy Cranks - Newish Bike?

Postby Crawf » Sat Mar 01, 2008 11:39 pm

Have had my road bike for only 2 months now, and from what I can tell it seems to be the cranks making a real racket, and I mean embarrassingly bad racket. 20 yo clunkers with rusted out chains and cassettes make less noise than mine.

It churns out a clickety clack sound 90% of the time, if I ease right off the crank applying minimal rotational force only then does it ease up. I don't suspect it is effecting my drive/momentum. But its certainly not right.

It's running full 105 gear. I'd take it back to the LBS but I have not been impressed with their service and they wont be seeing my business again (even if warranty)
The bike has not been running smooth from day 1 and when I asked them to look at certain issues with the running gear during its first service there was minimal improvement.

Pretty frustrating when a work colleague has the same bike with zero issues.

I know its not much to go off, but can anyone maybe identify what the problem may be by the sound :/ ?

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Postby Bnej » Sun Mar 02, 2008 12:12 am

Probably just crank arms & BB needs tightening, maybe some grease.

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Postby Kalgrm » Sun Mar 02, 2008 12:26 am

Also check that the pedals are inserted into the cranks tightly. The left hand side pedal is left threaded. (They should have greased the pedal threads before inserting them: my first annoying creak was a dry pedal thread.)

Think outside the double triangle.
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Postby sogood » Sun Mar 02, 2008 6:08 am

Take it back the LBS and let them sort it out.
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Postby mikesbytes » Sun Mar 02, 2008 11:14 am

Hi Jacobite, as per sogood, it's the bike shops responsibility to fix it.

Noises on bikes can be deceptive and what appears to be a bottom bracket noise could be coming from pretty much anywhere on the bike;
- Seat
- Seat post
- Stem
- Front or Rear Wheel
- Pedals
- Cleats
- Crack in frame
- Bottom bracket
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