Re: IRD Cadence Rims - Front Wheel Build Report

On Mar 31, 5:34 pm, daveornee <daveornee.2oc...@no-
mx.forums.cyclingforums.com> wrote:
D'ohBoy Wrote:> On Mar 29, 9:57 am, "Ron Ruff" <rruffrr...@xxxxxxxxx> wrote:
On Mar 29, 5:48 am, "D'ohBoy" <peteng...@xxxxxxxxx> wrote:

They are ok, but there is
a significant hop at the joint.

Did you measure how much it was?

Will measure tonight - it looks to be ~1mm.

D'ohBoy

At ~ 1 mm it would qualify as a top contestestant for the worst rim
that went from new to recycling bin here.
.5 mm is the maximum I would tolerate and that is what all the
nationally rated bicycle mechanic schools tell you.
I think your supplier would want to make this right by getting you an
acceptable sample.
Some suppliers (backed by Mavic and others requirements) will ask you
to return the rim.
I deal with a supplier of rims that just sends me a free replacement
(no return required). It has only happened 1 time in about 1,000 that
the rim wouldn't do better than .5 mm with tension balanced at
plus/minus 10%.

--
daveornee

Hmmmm.... Well, I spent about an hour yesterday tweaking the rear
spokes and managed to get it under .5 mm (referenced off the interior
of the rim where the rim strip goes) with tension variance
significantly under +/- 10%. But when I spin it, it still looks out
of round by more than that. I noticed there was a bit of grinding
done to the hook of the rim (where the tire bead seats) but the joint
in the interior of the wheel appears fairly flush (certainly much less
than 0.5 mm).

I did notice one eyelet standing slightly proud of the rim as well.

Huh, well, the proof is in the riding. We'll see once I get some
rubber on them.

D'ohBoy


.

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