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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 03-19-05, 07:52 AM   #1
rider666
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click/clunk noise in crank - help!

seems that you fix one problem only to develope another! - every revolution of the crank (only when riding) makes a noise halfway between a click and a clunk - wot is this and how can i fix it. i'm reluctant to take it down the local bikeshop cos i suspect them of being "polite cowboys" and having little knowledge of bike mechanics im a bit of a target!! any help would be much appreciated, from an enthusiastic beginner!
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Old 03-20-05, 02:50 AM   #2
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I'm having the same problem. Mine is more of just a click though, and only happens when the right crank is at the forward-most position.

Also, mine's throwing my chain off of my smallest chainring into the bike, I can't quiet figure it all out.
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Old 03-20-05, 07:37 AM   #3
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My first guess would be that your cranks are not as tight as they should be. Personally I would remove them, double check the bottom bracket, then reinstall the cranks to spec.
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Old 03-20-05, 07:45 AM   #4
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Your pedal might be needing some grease in it. I had this trouble for ages last year and after fitting a new bb, refitting the cranks and cleaning everything to within an inch of it's life I discovered that my drive side pedal had run dry and was creaking at about the one o'clock posistion.
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Old 03-20-05, 02:02 PM   #5
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Swap pedals out, if not BB is shot.
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Old 03-20-05, 02:11 PM   #6
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I Have The Sort Of Same Problum, I Fixed It Before But I Want To Know What It Is. sumtimes my crank goes click everytime it goes round, and also, in gear 7of1 it keeps skipping, is that derailurs or crank? i hope derailurs cuz its cheaper to fix them than to take my crank a'part
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Old 03-20-05, 02:41 PM   #7
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If your chain is slipping in a gear, your chain and cassette is going to have to be replaced. Your drivetrain is worn.
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Old 03-20-05, 02:53 PM   #8
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how much dose that cost, i have 70$
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