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28-01.-2008, 04:14 AM
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#1 |
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Registered User
Join Date: Mar 2007
Posts: 25
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Back wheel shaking
Hi guys.just a quickie. My back wheel seems as if it has a buckle,and it doesnt. The bike shakes when i free wheel downhill. This just happened this morning and I have no idea whats gone wrong. any ideas?
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28-01.-2008, 05:12 AM
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#2 |
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Registered User
Join Date: Dec 2005
Location: Central Ohio, USA
Posts: 95
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Re: Back wheel shaking
check for loose wheel bearings and loose brake shoes
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Eat, Sleep, Ride  http://dynamiccycling.com/
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28-01.-2008, 05:31 AM
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#3 | |
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Registered User
Join Date: Mar 2006
Location: Hudson Valley, NY
Posts: 41
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Re: Back wheel shaking
Quote:
loose or popped spoke? |
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28-01.-2008, 05:33 AM
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#4 |
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Registered User
Join Date: Mar 2007
Posts: 25
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Re: Back wheel shaking
thanks for that guys. How do I check the wheel bearings?
I,m not too good at this stuff! I got a maintaince dvd that is very good but it does not cover this subject.  |
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28-01.-2008, 05:45 AM
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#5 |
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Registered User
Join Date: Jun 2006
Location: Resting by the Tumtum tree
Posts: 5,611
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Re: Back wheel shaking
To start off with check the spokes. Then check if there is any side to side play. Check the wheel's trueness. Look for anything out fo the ordinary. Ride at low speed and see if you can detectwhat is wrong; you might have another rider look at your rear wheel because he will have a better view. Last resort is to take your bike to a shop.
You really should find out what the problem is before doing much riding again.
__________________
"You are like the wind and I like the lion. You form the tempest. The sand stings my eyes and the ground is parched. I roar in defiance but you do not hear. But between us there is a difference. I, like the lion, must remain in my place. While you like the wind will never know yours." -- Mulay Hamid El Raisuli, Lord of the Riff, Sultan to the Berbers, Last of the Barbary Pirates |
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28-01.-2008, 06:25 AM
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#6 |
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Registered User
Join Date: Jun 2006
Posts: 1,101
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Re: Back wheel shaking
grab the wheel and see if you can shake it from side to side without turning it, even just a little bit. That will show if the bearings are loose. If that is the case, I would be surprised if they weren't already trashed.
__________________
Your mouthwash ain't makin' it. |
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28-01.-2008, 09:34 AM
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#7 |
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Registered User
Join Date: Apr 2004
Location: Perth (Basso), West Australia
Posts: 3,508
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Re: Back wheel shaking
Check:
1. Tyre pressure within recomended range 2. Tyre seating ok on rim, no tube under the bead 3. Quick Release or axle nuts loose 4. Rim for true 5. Bearings for play 6. brake shoes for interference 7. take to bike shop
__________________
Cheers, George. |
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28-01.-2008, 05:01 PM
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#8 | |
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Registered User
Join Date: Sep 2003
Location: Boulder County, Colorado
Posts: 487
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Re: Back wheel shaking
Quote:
Need more evidence. Is it the coasting that causes the shake, or the speed at which you happen to be traveling? Or, can you wobble the wheel sideways when it's clamped in the dropouts? Or, when you spin the wheel, does it have a jump or blip as it spins on its axle? You know, you're more likely to find the problem by getting your hands dirty and examining the bike than reading messages from people who've never seen you or your bike. Or take it to a shop.$$ |
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