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Old 04-07-05, 12:31 PM   #1
CdCf
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Just got a load of parts I've ordered, and among them an XT rear derailer.
My question is simply, is it normal for the pulleys to be slow-rolling?
I expected them to spin for a good while, but they stop immediately if I spin them.

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Old 04-07-05, 12:43 PM   #2
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low mass, low inertia, they are plastic. They also have a rubber seal that creates a little drag but also keeps the crud out.
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Old 04-07-05, 12:46 PM   #3
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Ok, so it's normal? Good!
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Old 04-07-05, 02:06 PM   #4
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There are no bearings in der pulleys.
Rev is correct.

It is normal

Enjoy
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Old 04-07-05, 02:34 PM   #5
jeff williams
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Originally Posted by powers2b
There are no bearings in der pulleys.
Rev is correct.

It is normal

Enjoy
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Bearings if you want them, my Huret replacement spins great.

No, they don't have bearings anymore I guess, one more thing to maintain\wear.
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Old 04-07-05, 08:38 PM   #6
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XT has ball bearings in one and a ceramic bushing in the other. Since I have had more than one, I took the ball bearing pulley from the old one and made a full ball unit. When propperly greased they are vastly superior in the rain and muck.
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