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Unbelivable - no 28" rim tape



 
 
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  #1  
Old January 25th 11, 09:25 AM posted to rec.bicycles.tech
Anton Success
external usenet poster
 
Posts: 66
Default Unbelivable - no 28" rim tape

As my front open pro based wheel was built I have just discovered that
none of the local shops has 28" rim tape!
Aside from the rubbery hideosity that one shop had. At least the clerk
was straightforward telling
me it won't work with high pressure road tubes. Makes me wonder how
much people pump into touring tires.

Anyhow, the 26" rim tape i looked at out of curiosity is a continuous
circle of plastic with no sign of adhesive
on the rim side. Since I got used to the adhesive type of the rim tape
and i assume the local shops
would sell the same plastiky packing straps like contraption when they
get it in 28" variety
i've got to ask what should I expect from it?

as good as the rim tape with adhesive or not?

tnx
Ads
  #2  
Old January 25th 11, 10:48 AM posted to rec.bicycles.tech
Chalo
external usenet poster
 
Posts: 5,093
Default Unbelivable - no 28" rim tape

Anton Success wrote:

Anyhow, the 26" rim tape i looked at out of curiosity is a continuous
circle of plastic with no sign of adhesive
on the rim side. Since I got used to the adhesive type of the rim tape
and i assume the local shops
would sell the same plastiky packing straps like contraption when they
get it in 28" variety
i've got to ask what should I expect from it?

as good as the rim tape with adhesive or not?


There are three basic types of rim strips.

One is just a big rubber band, suitable for use only with single-
walled rims. No adhesive is necessary, nor desirable to do the
intended job. They are easily damaged at the valve hole where their
margins can be quite narrow. .

The second kind is a turn of adhesive tape made of strong fabric.
This works for double-walled rims. It comes off a roll and need not
be joined into a continuous loop. It's a hassle to peel off when a
spoke nipple must be replaced.

The third kind, which is becoming more common all the time, is a loop
of stiff fabric or hard plastic with no adhesive. It snaps on like a
rubber rim band, but it's strong and stiff enough to withstand high
pressures and the sharp edges of double-walled rims. It has the
advantage of being easily removable and replaceable, but it must be
relatively well matched to the width of the rim.

All three kinds of rim strips work well within their own contexts, and
they all need periodic inspection for damage, misalignment, or
deterioration.

Velocity offers rim plugs to cover each spoke drilling of a double-
walled rim individually. These are effective, but they are a real
nuisance to install.

Chalo
  #3  
Old January 25th 11, 01:32 PM posted to rec.bicycles.tech
pm
external usenet poster
 
Posts: 344
Default Unbelivable - no 28" rim tape

On Jan 25, 1:25*am, Anton Success wrote:
As my front open pro based wheel was built I have just discovered that
none of the local shops has 28" rim tape!
Aside from the rubbery hideosity that one shop had. At least the clerk
was straightforward telling
me it won't work with high pressure road tubes. Makes me wonder how
much people pump into touring tires.

Anyhow, the 26" rim tape i looked at out of curiosity is a continuous
circle of plastic with no sign of adhesive
on the rim side. Since I got used to the adhesive type of the rim tape
and i assume the local shops
would sell the same plastiky packing straps like contraption when they
get it in 28" variety
i've got to ask what should I expect from it?

as good as the rim tape with adhesive or not?

tnx


My local shops have velox tape in a shop-size roll which they just cut
to whatever length needed.

The potential pitfall with plastic strips is in extended braking down
the side of a mountain, this may get the rims hot enough to soften the
strip allowing the tube to burst inwards.

-pm
  #4  
Old January 25th 11, 04:39 PM posted to rec.bicycles.tech
DougC
external usenet poster
 
Posts: 1,276
Default Unbelivable - no 28" rim tape

On 1/25/2011 4:48 AM, Chalo wrote:
Anton Success wrote:

Anyhow, the 26" rim tape i looked at out of curiosity is a continuous
circle of plastic with no sign of adhesive
on the rim side. Since I got used to the adhesive type of the rim tape
and i assume the local shops
would sell the same plastiky packing straps like contraption when they
get it in 28" variety
i've got to ask what should I expect from it?

as good as the rim tape with adhesive or not?


There are three basic types of rim strips.

One is just a big rubber band, suitable for use only with single-
walled rims. No adhesive is necessary, nor desirable to do the
intended job. They are easily damaged at the valve hole where their
margins can be quite narrow. .

The second kind is a turn of adhesive tape made of strong fabric.
This works for double-walled rims. It comes off a roll and need not
be joined into a continuous loop. It's a hassle to peel off when a
spoke nipple must be replaced.

The third kind, which is becoming more common all the time, is a loop
of stiff fabric or hard plastic with no adhesive. It snaps on like a
rubber rim band, but it's strong and stiff enough to withstand high
pressures and the sharp edges of double-walled rims. It has the
advantage of being easily removable and replaceable, but it must be
relatively well matched to the width of the rim.

All three kinds of rim strips work well within their own contexts, and
they all need periodic inspection for damage, misalignment, or
deterioration.

Velocity offers rim plugs to cover each spoke drilling of a double-
walled rim individually. These are effective, but they are a real
nuisance to install.

Chalo


The plastic loops are **** in my experience. If they're not wide enough
they can shift and uncover the spoke ends while you're putting the tire
on, leading to flats.

After a couple new wheels/bikes that got flats that way, I just I take
them off and put the adhesive fabric stuff on immediately.
  #5  
Old January 25th 11, 05:57 PM posted to rec.bicycles.tech
[email protected]
external usenet poster
 
Posts: 320
Default Unbelivable - no 28" rim tape

On Jan 25, 7:32*am, pm wrote:
On Jan 25, 1:25*am, Anton Success wrote:



As my front open pro based wheel was built I have just discovered that
none of the local shops has 28" rim tape!
Aside from the rubbery hideosity that one shop had. At least the clerk
was straightforward telling
me it won't work with high pressure road tubes. Makes me wonder how
much people pump into touring tires.


Anyhow, the 26" rim tape i looked at out of curiosity is a continuous
circle of plastic with no sign of adhesive
on the rim side. Since I got used to the adhesive type of the rim tape
and i assume the local shops
would sell the same plastiky packing straps like contraption when they
get it in 28" variety
i've got to ask what should I expect from it?


as good as the rim tape with adhesive or not?


tnx


My local shops have velox tape in a shop-size roll which they just cut
to whatever length needed.

The potential pitfall with plastic strips is in extended braking down
the side of a mountain, this may get the rims hot enough to soften the
strip allowing the tube to burst inwards.

-pm


Excellent advise.

Lewis

*****
  #6  
Old January 25th 11, 06:13 PM posted to rec.bicycles.tech
thirty-six
external usenet poster
 
Posts: 10,049
Default Unbelivable - no 28" rim tape

On Jan 25, 1:32*pm, pm wrote:
On Jan 25, 1:25*am, Anton Success wrote:



As my front open pro based wheel was built I have just discovered that
none of the local shops has 28" rim tape!
Aside from the rubbery hideosity that one shop had. At least the clerk
was straightforward telling
me it won't work with high pressure road tubes. Makes me wonder how
much people pump into touring tires.


Anyhow, the 26" rim tape i looked at out of curiosity is a continuous
circle of plastic with no sign of adhesive
on the rim side. Since I got used to the adhesive type of the rim tape
and i assume the local shops
would sell the same plastiky packing straps like contraption when they
get it in 28" variety
i've got to ask what should I expect from it?


as good as the rim tape with adhesive or not?


tnx


My local shops have velox tape in a shop-size roll which they just cut
to whatever length needed.

The potential pitfall with plastic strips is in extended braking down
the side of a mountain, this may get the rims hot enough to soften the
strip allowing the tube to burst inwards.

-pm


At what temperature does a plastic strip fail?
  #7  
Old January 25th 11, 07:41 PM posted to rec.bicycles.tech
landotter
external usenet poster
 
Posts: 6,336
Default Unbelivable - no 28" rim tape

On Jan 25, 10:39*am, DougC wrote:
On 1/25/2011 4:48 AM, Chalo wrote:









Anton Success wrote:


Anyhow, the 26" rim tape i looked at out of curiosity is a continuous
circle of plastic with no sign of adhesive
on the rim side. Since I got used to the adhesive type of the rim tape
and i assume the local shops
would sell the same plastiky packing straps like contraption when they
get it in 28" variety
i've got to ask what should I expect from it?


as good as the rim tape with adhesive or not?


There are three basic types of rim strips.


One is just a big rubber band, suitable for use only with single-
walled rims. *No adhesive is necessary, nor desirable to do the
intended job. *They are easily damaged at the valve hole where their
margins can be quite narrow. *.


The second kind is a turn of adhesive tape made of strong fabric.
This works for double-walled rims. *It comes off a roll and need not
be joined into a continuous loop. *It's a hassle to peel off when a
spoke nipple must be replaced.


The third kind, which is becoming more common all the time, is a loop
of stiff fabric or hard plastic with no adhesive. *It snaps on like a
rubber rim band, but it's strong and stiff enough to withstand high
pressures and the sharp edges of double-walled rims. *It has the
advantage of being easily removable and replaceable, but it must be
relatively well matched to the width of the rim.


All three kinds of rim strips work well within their own contexts, and
they all need periodic inspection for damage, misalignment, or
deterioration.


Velocity offers rim plugs to cover each spoke drilling of a double-
walled rim individually. *These are effective, but they are a real
nuisance to install.


Chalo


The plastic loops are **** in my experience. If they're not wide enough
they can shift and uncover the spoke ends while you're putting the tire
on, leading to flats.

After a couple new wheels/bikes that got flats that way, I just I take
them off and put the adhesive fabric stuff on immediately.


The plastic strips have been by far the best product in my experience.
The rubber strips, not so much--and they're designed for single wall
rims, anyway. Can't stand cotton tape--the adhesive is either too
strong or non-existent. I'd rather use packing tape or three winds of
electrical tape.
  #8  
Old January 25th 11, 08:08 PM posted to rec.bicycles.tech
Chalo
external usenet poster
 
Posts: 5,093
Default Unbelivable - no 28" rim tape

thirty-six wrote:

pm wrote:

The potential pitfall with plastic strips is in extended braking down
the side of a mountain, this may get the rims hot enough to soften the
strip allowing the tube to burst inwards.


At what temperature does a plastic strip fail?


That would depend on the specifics of both the plastic and the fabric
backing, if any. So making a generalization along those lines is not
very useful.

Chalo
  #9  
Old January 25th 11, 08:22 PM posted to rec.bicycles.tech
thirty-six
external usenet poster
 
Posts: 10,049
Default Unbelivable - no 28" rim tape

On Jan 25, 8:08*pm, Chalo wrote:
thirty-six wrote:

pm wrote:


The potential pitfall with plastic strips is in extended braking down
the side of a mountain, this may get the rims hot enough to soften the
strip allowing the tube to burst inwards.


At what temperature does a plastic strip fail?


That would depend on the specifics of both the plastic and the fabric
backing, if any. *So making a generalization along those lines is not
very useful.

Chalo


I dont want a generalisation, just one example. I've had my doubts
about them but not for that reason, it seems irellevant to me because
my tyres don't peel off ;-) so I'd like to know what temperature will
break down a plastic rim tape?
  #10  
Old January 25th 11, 09:30 PM posted to rec.bicycles.tech
Chalo
external usenet poster
 
Posts: 5,093
Default Unbelivable - no 28" rim tape

thirty-six wrote:

Chalo wrote:

thirty-six wrote:

pm wrote:

The potential pitfall with plastic strips is in extended braking down
the side of a mountain, this may get the rims hot enough to soften the
strip allowing the tube to burst inwards.

At what temperature does a plastic strip fail?


That would depend on the specifics of both the plastic and the fabric
backing, if any. *So making a generalization along those lines is not
very useful.


I dont want a generalisation, just one example. *I've had my doubts
about them but not for that reason, it seems irellevant to me because
my tyres don't peel off ;-) so I'd like to know what temperature will
break down a plastic rim tape?


Higher than the temperature that turns tubie glue back into chewed
gum.

Chalo
 




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