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Spark DT Swiss replacement bushing size?

3098 Views 4 Replies 2 Participants Last post by eric512, Jan 1, 2010

eric512

Discussion Starter · Dec 23, 2009

I have a 2008 Spark carbon and I am replacing the existing DT Swiss nude rear shock with a FOX RPL.

I was told on the Scott forum that the proper bushing was M6 x 22.2mm. That seems to be wrong. I bought a Rock Shox bushing kit and they don't fit into the frame. I measured the frame with a nice digital caliper and I get a 22.0mm space. The bushing in the existing DT Swiss shock is about 22.0 as well.

So then I went looking for a M6 x 22.0mm bushing set. Nowhere to be found, so far. I see 21.8mm and 22.2mm.

Any ideas what I need for a FOX shock in a Scott frame?

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the mayor

· #2 · Dec 23, 2009 (Edited)

.2 mm? That's less than 2 sheets of paper
You could remove that much with one swipe of sandpaper
And you could put the bushings in a vise to make sure they're seated.
Or I bet a tap with a mallet would seat it right in the frame.

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eric512

Discussion Starter · #3 · Dec 24, 2009

the mayor said:
.2 mm? That's less than 2 sheets of paper
You could remove that much with one swipe of sandpaper
And you could put the bushings in a vise to make sure they're seated.
Or I bet a tap with a mallet would seat it right in the frame.

Tapping with a mallet is a little scary with a carbon frame. Yes, .2mm is not very much, just the thickness of the paint on the ends of the bushing I'll bet. I really don't want to loose the nice powder coating, but a little bit of grinding may do the trick.

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the mayor

· #4 · Dec 24, 2009

Tapping with a mallet is not a big deal.
Whacking it with a 10lb sledge hammer is.
There is a difference.

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eric512

Discussion Starter · #5 · Jan 1, 2010

Finally finished the install. I did sand/file the bushing a tiny bit and it slid into the frame perfectly. I guess the frame could have taken a 22.2mm, but I went down to 22.0 to be safe.

Used Rock Shox bushing/spacer and standard Fox DU bushings (orange on the inside).

The feel is much more solid and the DT Swiss. The Fox RPL seems to out perform it by quite a bit. New bushings really help the feel in the rear suspension.

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