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14-10.-2003, 12:04 PM
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#1 |
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Junior Member
Join Date: Oct 2003
Posts: 3
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New bike doesn't coast well
Just purchased a 03 Specialized Hardrock (Manitou fork). For some bizarre reason, it doesn't coast very well on the flats (i.e., slows down alot compared to my old ride - a 10 yr old CroMo). I checked for brake shoes dragging on the rims, but this wasn't the problem. Any ideas?
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15-10.-2003, 12:03 AM
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#2 |
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Moderator
Join Date: Feb 2002
Location: UK
Posts: 1,265
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Tyres or different road surface or drag in the rear hub or your perception.
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15-10.-2003, 01:17 PM
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#3 | |
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Junior Member
Join Date: Oct 2003
Posts: 3
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Quote:
Hmmm...I thought of some of these too. If it's the rear hub dragging, how would I check for this? I've taken the wheel off, but it seems "normal" |
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18-10.-2003, 06:49 AM
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#4 | |
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Registered User
Join Date: Sep 2003
Location: Suburban Chicago
Posts: 2,777
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Quote:
Maybe your rear bearings are too tight. When you remove the rear wheel it may feel OK, but it should be precision adjusted to run smooth and not knock when the QR is tight. What type of hub is it? Some hubs have very tight seals that need some break-in time.
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David Ornee, Western Springs, IL USA |
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18-10.-2003, 08:57 AM
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#5 | |
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Junior Member
Join Date: Oct 2003
Posts: 3
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Quote:
Thanks daveornee. It's an unsealed loose ball bearing. Do you think it could be the seals themselves? |
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18-10.-2003, 11:20 PM
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#6 | |
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Registered User
Join Date: Sep 2003
Location: Suburban Chicago
Posts: 2,777
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Quote:
It is bearings and/or tires. Try precsion adjusting the cones under the load of your QR. If that doesn't make a difference then it is the additional rolling resistance of your tires on the surface involved.
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David Ornee, Western Springs, IL USA |
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