HED3 - How True?
Larry Himmel
brand new rear wheel appears to have a couple of millimeters of wobble.
I can true my spoke wheels much closer than this.
Just what are the tolerances on these wheels?
Larry
Ken
tolerance of plus or minus 1MM. When I bought my set I took my dial
indicator to the shop and set every wheel they had in stock up on a truing
stand and checked them. I found a few that were nearly perfect and some
that were borderline. I took the best of the lot but don't really believe
a MM of wobble makes any performance difference. I would be much concerned
about the OD being concentric so that there is no hop or a very minimum.
I have never seen anything published on HED tolerance specifications. Send
them an e-mail and ask.
Ken@Kauai
Larry Himmel <lhi...@csulb.edu> wrote in message
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Joe Braun
tale but its worth a shot.
put the wheel in a freezer overnight and pull it out. it should straighten
it out.
????
jOe
Larry Himmel <lhi...@csulb.edu> wrote in message
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Larry Himmel
Joe Braun wrote:
> i heard a way to retrue carbon wheels like that. this may be an old wives
> tale but its worth a shot.
>
> put the wheel in a freezer overnight and pull it out. it should straighten
> it out.
>
> ????
> jOe
Thanks, Joe.
But since it's a brand new wheel, I'm not too keen on fixing it. I think I'll
follow Ken's example and take my truing stand over to the store and check 'em
right there.
Larry
Larry Himmel
Ken wrote:
> I believe that when Specialized made them they advertised a run-out
> tolerance of plus or minus 1MM.
That's acceptable.
> When I bought my set I took my dial
> indicator to the shop and set every wheel they had in stock up on a truing
> stand and checked them.
I was thinking the same thing. I believe I'll do that.
> I found a few that were nearly perfect and some
> that were borderline. I took the best of the lot but don't really believe
> a MM of wobble makes any performance difference.
It's more that a mm. It has a distinct bend in one spot - far more than I would
leave in a spoked wheel. Of course, the spoked wheel is probably more likely to
worsen with use than the tri spoke is.
> I would be much concerned
> about the OD being concentric so that there is no hop or a very minimum.
I'd better check that too.
>
> I have never seen anything published on HED tolerance specifications. Send
> them an e-mail and ask.
I'll have to find their email. Their website doesn't seem to work very well.
I've tried both browsers from 2 different locations and it still won't load
correctly.
Larry
Dan Empfield
> I'll have to find their email. Their website doesn't seem to work very
> well.
> I've tried both browsers from 2 different locations and it still won't
> load
> correctly.
email: h...@iswest.com
web: http://www.hedcycling.com
website works great. it has both a flash and non-flash entry, which
you'll find on the home page. if you don't like the wheel send it back
and ask for another. they're very accommodating and will certainly take
care of your problem in a hurry.
slowman
Larry Himmel
But it was definitely not functioning for a couple of days last week.
I sent them an email yesterday with my questions. They replied that the
allowable runout is 2 mm on the HED 3. It is considerably more than their
spoke wheels due to lack of adjustment. This being my first experience
with solid wheels, I was curious as to what is reasonable. Now I know.
Larry
Dan Empfield
<lhi...@csulb.edu> wrote:
> I went to their website yesterday right after posting and it was working.
> But it was definitely not functioning for a couple of days last week.
>
> I sent them an email yesterday with my questions. They replied that the
> allowable runout is 2 mm on the HED 3. It is considerably more than
> their
> spoke wheels due to lack of adjustment. This being my first experience
> with solid wheels, I was curious as to what is reasonable. Now I know.
i ride a pair of hed3s, and mine are not precisely true, but i'm fine
with this, because after having had a variety of disk wheels over the
years i'm hip to the fact that untruable monocoque wheels are just not
going to be dead-on. for those who are persnickety about absolute
trueness -- and i can't fault those who feel this way -- a steel-spoked
deep rim is the way to go.
but there is a plus and minus here. a hed3 will never get worse than it
is. a truable wheel will always obey entropy, which is to day, it sure
aint gonna get truer as time goes on.
slowman
Brian Wagner
>
> i ride a pair of hed3s, and mine are not precisely true, but i'm fine
> with this, because after having had a variety of disk wheels over the
> years i'm hip to the fact that untruable monocoque wheels are just not
> going to be dead-on. for those who are persnickety about absolute
> trueness -- and i can't fault those who feel this way -- a steel-spoked
> deep rim is the way to go.
>
Nimbles. Anyone know what it is?
Namsul
days) which were a plastic style compound, not caRbon to straighten
them...maybe this was where the wives tale originated.
If freezing carbon wheels straightened them wouldn't he opposite be
applicable too...would be a few wobbly wheels down the lava fields at Kona
in the bike leg......hehehe
--
Lee Vickary (Namsul Melek)
www.club-triathlon.com
Triathlon Stuff & Freeware
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