T.R | Title | User | Personal Name | Date | Lines |
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682.2 | Some spoke replacement tips... | COLORS::WASSER | John A. Wasser | Mon May 23 1988 13:51 | 25 |
| > Why would I keep breaking rear spokes? Was it lousy installation?
If it breaks near the head, it is probably either a bad edge
on the spoke hole or spokes inserted from the wrong side (on
most hubs the direction doesn't matter).
If it breaks near the middle, it might be too much tension.
> How do you insert the spoke in a rear wheel and maneuver it to correctly
> position it? It seems like it can't be done (although, I know is it
> possible). There must be a trick. Can anyone shed any light on this?
In many cases you must remove the freewheel. In all cases
you have to bend the spoke a little to get it woven in with
the rest of the spokes. If the spoke head is supposed to go on
the outside of the hub flange, you will have to bend the spoke
quite a bit to get it through the flange and up BETWEEN the
other spokes.
For a less strong repair, don't weave the new spoke in... just
insert it with the head on the inside of the hub flange and run
it straight to the rim hole.
For the best results, take the wheel apart and rebuild it. This
might cure whatever was causing the breakages.
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682.3 | If you're a big person ... | AITG::LERNER | | Mon May 23 1988 14:10 | 8 |
| For me, it was too much weight on a light gauge spoke set. I was
breaking them on a regular basis until I had the wheel rebuilt with
a heavier guage spoke. I don't remember the guage number; a good repair
shop should be able to help there.
Since the rebuild (last summer), I haven't broken any.
Tom
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682.4 | use 14 gauge galvanized, and check your hubs | RANGLY::PFISTER_ROB | Bike hard, or sell it | Tue May 24 1988 14:00 | 9 |
| I used to break alot of spokes as well, and since then I go with
14 gauge DT galvanized spokes only. [They are stronger than the
stainless]
A problem I had on one wheel was the holes were to big in the hub,
causing the spokes to move alot, then break. One of the holes was
cracked through to the outside as well.
Robb
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682.5 | and now for something COMPLETELY different | SUSHI::KMACDONALD | Got any ICE you need climbed? | Wed May 25 1988 16:41 | 4 |
| Going to heavy gauge spokes can actually WORSEN spoke breakage in some
cases. I had some wheels long ago with some j.random hubs (don't recall)
with rather small spoke holes in the flanges. 14 ga. straight spokes
were poppin' like popcorn. 15/16 DB spokes stopped that right quick!
|
682.6 | Need new wheel | FENNEL::HATCHER | | Fri Jul 08 1988 16:42 | 25 |
| OK, now what to do.
I got it fixed again at Goodales. But a couple of hundred miles
later I popped another one. Ron recommends a new wheel. I don't
know anything about wheels, except that a lot of people in this
file build their own. I don't want to do that. So I need to bite
the bullet and get a new wheel.
Do I buy a pre-built wheel from Nashbar or Performance, or do I
get one locally. (I went down to Cat 1 at lunch and Paul is not
taking any work for a few weeks, he's moving out of his store.)
This is a rear wheel I'm talking about.
I have a Wolber Type 58 now, recommended for heavy touring. I
think I would rather something built for training. I never do any
loaded touring and use the Cannondale ST500 for training and triathlons.
Is it wise to get only one wheel? Mail order seem to be sold only
in sets. Can I mix wheels? How about different sizes. (Wheels
are 1 1/4 now, can I go to a 1 1/8 for a little more performance?)
Any info would be appreciated.
Bob
|
682.7 | I really could use some help! | FENNEL::HATCHER | | Wed Jul 13 1988 15:09 | 4 |
| re .6 - Anyone want to give me some wheel advice?
Bob
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682.8 | Some tips, but more info is necessary.... | CIMNET::MJOHNSON | Got a match? | Wed Jul 13 1988 18:41 | 46 |
| Cost, options, and quality are all reasons why people build their
own wheels. Consider your situation:
1. You really only need one wheel (shops and mailorder companies
usually sell quality wheels in pairs, or if singles, usually FRONT
wheels are what's left), or if two, you'd like different BACK
wheels.
2. You have a good hub that you could reuse if you built your own (the
price of new ones will be included in the built-up wheel cost)
3. You're insecure about the quality of a mass-produced wheel (if you
built it yourself, you know what you have).
So you end up paying more, getting potentially lower quality, and
getting some things that you don't need when you buy them pre-made.
On the plus side, of course, you save time and effort. When I used to
buy wheels pre-made, I got them from local shops. I usually went in
and asked if there were any leftovers from when people traded up on a
new bike. I got a $125 pair of GP4's from International Cycle that
way, but it was the dead of winter, and a couple of years ago. Last
year, I walked into Laughing Alley and spotted a pair of almost new
used wheels for $100, including tires, hanging from the ceiling. The
rims weren't particularly strong, but they had Campy hubs. In both
cases, I did better than I would have through mail order -- but wait, I
saw $80 pairs of wheels at the Nashbar outlet a few months ago.
(They're gone now.)
In other words, you have to be prepared to scrounge. If you buy
used wheels, be VERY careful. It's possible to make a wheel with
a flat spot appear round until it's ridden, when it will revert
to its permanently warped shape.
As far as your requirements go, I don't have enough information to
recommend something specific. Yes, for sport riding, you can go to 1
1/8, or even 1 inch wide wheels, but the choice of rim and spoke
pattern will depend on your weight and riding style. I'm heavy and I'm
not gentle to the bike, so I need really strong wheels. I've seen
lighter, more adept riders go years on much more delicate/cheaper
hardware. Then there's the style factor -- since you're doing Tri's,
you might want an aero rim. Can you elaborate on your needs?
Hope this helps some,
MATT
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682.9 | Thanks | FENNEL::HATCHER | | Wed Jul 13 1988 21:37 | 16 |
| Thanks for the input, and thanks to Ken McDonald for the phone call
too.
I'm 6'3", 215 lbs, and I'm not gentle on the bike. I ride pretty
hard and try to push a lot. I got the touring Cannondale because
of the heavy touring wheels, tires, and the very strong frame.
I guess I need the lightest strongest wheel I can find. Does this
imply that I'm stuck with a touring wheel?
Regarding strength. What is it about a wheel that makes it strong?
Elsewhere they talk about heavier guage and/or more spokes don't
necessarily make it stronger. Is this correct?
Bob
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682.10 | Strength in numbers | CIMNET::MJOHNSON | Got a match? | Thu Jul 14 1988 12:16 | 21 |
| The qualifications about number and size of spokes have to do with
hub/wheel compatibility: if the hub wasn't designed for heavy spokes,
it will break them. Some people also claim that 32-spoke wheels are
actually stronger than 36-spoke ones, because of the opposition of the
spokes on the wheel. (I tend to think that the greater distance
between spokes along the rim increases the vulnerability when hitting
something hard, making this a wash at best.) Keeping these exceptions
in mind, more spokes/ larger diameter/greater number of crosses is
stronger. That's why you see cross-4, 40-spoke, 14-gauge wheels on
tandems. The only place where you get equal strength for less weight
is in choosing double-gauged spokes over single-gauged ones.
The amount and strength of rim material is the other factor. You're
by no means restricted to touring wheels; racing wheels have to
take punishment, too. A fairly heavy, heat-treated rim like the
Mavic MA40 is strong enough for most people. Other people can give
specific clincher recommendations. My experience is mostly with
tubulars.
MATT
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682.11 | Touring rim? | RDGENG::MACFADYEN | Roderick MacFadyen | Fri Jul 15 1988 09:51 | 6 |
| What's a good touring rim? I've got Wolber 58s, but one's damaged
and they're both worn, so I'm thinking of changing them.
Suggestions very welcome.
Rod
|