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Karate Monkey squeak.

Old 05-17-16, 10:45 AM
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Leebo
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Karate Monkey squeak.

I have a squeak coming from my bike. Driving me crazy. Not the disc brakes, put on different wheels. I'm pretty sure it is the back wheel. Makes the noise when I'm coasting too. Faster as I go faster. The rear hub is a woodman rsn. Solid steel axle. Had the hub+freehub bearings replaced. Still making noise. Thinking a bent rear axle/ and or freehub rubbing on the hub? Any other possibilities?
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Old 05-17-16, 12:44 PM
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If it happens with different wheels, while coasting, and you're sure it's not the brakes, check you seat and seatpost (stand while it's sqeaking) and check your headset. To be double sure about the brakes, unbolt one at a time.
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Old 05-17-16, 01:21 PM
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Yes, I undid the brakes one at a time, it's not the seat or seat post. Happens with the wheel revolution.
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Old 05-17-16, 02:32 PM
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Just thinking: "Karate Monkey Squeak" would be a great title for a Captain Beefheart tune…
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Old 05-17-16, 02:43 PM
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Originally Posted by Leebo View Post
I have a squeak coming from my bike. Driving me crazy. Not the disc brakes, put on different wheels. I'm pretty sure it is the back wheel. Makes the noise when I'm coasting too. Faster as I go faster. The rear hub is a woodman rsn. Solid steel axle. Had the hub+freehub bearings replaced. Still making noise. Thinking a bent rear axle/ and or freehub rubbing on the hub? Any other possibilities?
This makes no sense. You switched wheels, still heard the squeak, and are assuming it's the axle? I'm confused. What exactly did you do?
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Old 05-17-16, 03:26 PM
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Originally Posted by corrado33 View Post
This makes no sense. You switched wheels, still heard the squeak, and are assuming it's the axle? I'm confused. What exactly did you do?
He doesn't even know if it's front or back. Apparently he wants a game of twenty questions, with you guessing what he's tried. (Or, more likely just playing with himself in public and looking for someone to 'lend a hand.')
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Old 05-17-16, 06:34 PM
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Sometimes a drop of lube around the rubber boot protecting the hub nuts on the non drive side eliminates the kind of noise you described.. but you tried another wheel and you still think its the wheel? i'm confused.
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Old 05-17-16, 07:32 PM
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Broken frame then? Check your welds.
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Old 05-18-16, 12:42 PM
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Originally Posted by corrado33 View Post
This makes no sense. You switched wheels, still heard the squeak, and are assuming it's the axle? I'm confused. What exactly did you do?
I was trying to be clear, let me try again. I took off the front and rear brake calipers, one at a time, still had the squeak. I replaced the front wheel with another wheel, still had the squeak. So to me, it would eliminate both brakes and the front wheel. I then replaced the rear wheel with another, no squeak. So,now I'm thinking it must be the rear wheel. And happens not on the bike stand. But when coasting as well as pedaling. So eliminating most of the drivetrain what is left? Not derailleur or pulleys. But when coasting. With the revolution of the wheels. Frame or seatpost would not seem likely. I'm pretty good with all the bike fix it stuff, this one has me stumped. Looking for some help, thanks in advance.
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Old 05-18-16, 01:11 PM
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Consider the hub where the cogs connect. If it is a freewheel perhaps some oil dropped on the ratchet pawls mechanism will correct the problem. If a cassette. drop some oil inside of the cassette on the bearing assembly. These techniques are not a substitute for the proper lubricant but you might be able to better isolate the source of the squeak.
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