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Cane Creek Thudbuster Elastomer Replacement

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Cane Creek Thudbuster Elastomer Replacement

Old 07-15-13, 05:02 PM
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Canal_Rider
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Cane Creek Thudbuster Elastomer Replacement

I am planning to replace the blue elastomers on my Cane Creek Thudbuster seatpost with black ones to compensate for my 220 lbs of body weight. I have read comments online that it is nearly impossible for one person to install the stiff black elastomers. They make changing elastomers look really easy on the Cane Creek youtube video, but of course they are installing the softest gray elastomers. Does anyone with experience doing this have any advice? Thank you in advance for any help.
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Old 07-15-13, 05:55 PM
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I changed mine from blue to black, and it was truly a trivial non event. You have to push down a little to get the nut started, but no biggie. If you have trouble put the post on the bike and clamp the seat on the post. That will give you a little better grip on it.
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Old 07-18-13, 04:56 PM
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Originally Posted by Clawed View Post
I changed mine from blue to black, and it was truly a trivial non event. You have to push down a little to get the nut started, but no biggie. If you have trouble put the post on the bike and clamp the seat on the post. That will give you a little better grip on it.
I also changed mine from blue to both black and it was way easier than expected, based on some people online claiming it was a difficult task with the stiff elastomers. I used regular Pedro's grease on the elastomers but I saw a post here warning not to use petroleum based grease on the elastomers. Does anyone know if that is a legitimate concern?
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Old 07-18-13, 05:43 PM
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I cannot think what your reason for putting lube on the elastomers would be. The elastomers only compress, there is no movement against another part. They require no sort of lubrication at all.

Yes, petroleum based lubes will damage the polyurethane elastomers. Take them off and wash them thoroughly with water and dish detergent to remove as much of the grease as you can. Remember, in all settings, rubber, whether natural, silicone, or urethane, is damaged by petroleum based products.
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Old 07-19-13, 08:32 PM
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Originally Posted by Clawed View Post
I cannot think what your reason for putting lube on the elastomers would be. The elastomers only compress, there is no movement against another part. They require no sort of lubrication at all.

Yes, petroleum based lubes will damage the polyurethane elastomers. Take them off and wash them thoroughly with water and dish detergent to remove as much of the grease as you can. Remember, in all settings, rubber, whether natural, silicone, or urethane, is damaged by petroleum based products.
The Cane Creek directions say to put grease on the top and bottom of each elastomer and they don't specify which kind of grease to apply. Look at the changing elastomer section in the link for the Thudbuster pdf manual. The odd thing is that I did not notice any grease on the original elastomers. I used Pedro's synthetic grease, which I assume is not petroleum based.

http://www.canecreek.com/resources/p...STRUCTIONS.pdf
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