Coker handlebar woes



F

FlyByTire

Guest
I just received the new Coker handlebar and am having trouble with
installing the thing on my Coker Big One that I bought earlier this
year. Here's the handlebar...

[image:
http://www.unicyclist.com/gallery2/..._GALLERYSID=4131d65ba63b8849f4715143da659c11]

The problem is that the inner diameter of the clamp that goes onto the
seatpost is slightly smaller than the seatpost itself. I have the
aluminum seatpost from Coker, rather than the steel version. Has
anyone else had this problem? I tried to force it on, but you can see
the results below. In the process of trying to get it to fit, both the
clamp and the seatpost were damaged. I tried prying the clamp open, but
any attempt to do this just damaged it more by gouging the aluminum
through the painted surface. It springs open and then immediately back
again, so there is no point were I am able to slide it cleanly onto the
seatpost.

Has anyone successfully installed the handlebar on an aluminum seatpost
from Coker?

Thanks,
Aaron


[image:
http://www.unicyclist.com/gallery2/..._GALLERYSID=4131d65ba63b8849f4715143da659c11]

[image:
http://www.unicyclist.com/gallery2/..._GALLERYSID=4131d65ba63b8849f4715143da659c11]


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FlyByTire

Just because you can, doesn't mean you should
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M

MuniAddict

Guest
Hmm, that's strange indeed! The OD for the coker seatpost, whether alum
or steel is purporedly 25.4mm. They should be identical OD. The only
thing I found different with the big one, compared to my radial in that
area, is that the big one's Seat *tube* OD requires a seatpost clamp
that is 27.2mm!

This is because the alum seat tube's OD is significantly thicker than
the radial's steel tube. But again, the *seatpost* OD 25.4mm should fit
the ID of the coker handle, but apparenltly there is a discrepency
between the alum and the steel seat post OD's, which should not be-if
they are *both* 25.4mm. (I guess I'll have to find out for myself as I
just got a call from Jamey of uniproshop, informing me that -my- coker
bar has been delivered!)


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MuniAddict

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