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cone wrench: why so massive?



 
 
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  #1  
Old June 25th 06, 03:14 PM posted to rec.bicycles.tech
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Default cone wrench: why so massive?

During my usual scan of the pegboard displays at LBS, I paused to look at
blister packed cone wrenches (all were Pedro, I think). While the 13mm had more
or less reasonable dimensions and price - roughly 7" handle; about $7 - the
15mm was comparatively huge and 2x-3x the price. Sure, more steel increases
cost, but isn't 12" of leverage on a cone wrench massive overkill? I certainly
would never buy such a beast, much less carry it on the bike.

Because I didn't like the large sizes of the cone wrenches I'd seen, I made one
by grinding down the cheeks of a 13mm-15mm open-end wrench. It turned 26 years
old this month.

--
Michael
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  #2  
Old June 25th 06, 03:34 PM posted to rec.bicycles.tech
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Default cone wrench: why so massive?

Michael wrote:
During my usual scan of the pegboard displays at LBS, I paused to look at
blister packed cone wrenches (all were Pedro, I think). While the 13mm had more
or less reasonable dimensions and price - roughly 7" handle; about $7 - the
15mm was comparatively huge and 2x-3x the price. Sure, more steel increases
cost, but isn't 12" of leverage on a cone wrench massive overkill? I certainly
would never buy such a beast, much less carry it on the bike.

Because I didn't like the large sizes of the cone wrenches I'd seen, I made one
by grinding down the cheeks of a 13mm-15mm open-end wrench. It turned 26 years
old this month.

I'd guess the 15mm was specifically made as a pedal wrench which would
account for the larger size.
  #3  
Old June 25th 06, 05:28 PM posted to rec.bicycles.tech
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Default cone wrench: why so massive?


Michael wrote:
During my usual scan of the pegboard displays at LBS, I paused to look at
blister packed cone wrenches (all were Pedro, I think). While the 13mm had more
or less reasonable dimensions and price - roughly 7" handle; about $7 - the
15mm was comparatively huge and 2x-3x the price. Sure, more steel increases
cost, but isn't 12" of leverage on a cone wrench massive overkill? I certainly
would never buy such a beast, much less carry it on the bike.

Because I didn't like the large sizes of the cone wrenches I'd seen, I made one
by grinding down the cheeks of a 13mm-15mm open-end wrench. It turned 26 years
old this month.

--
Michael


It's a pedal wrench.

  #4  
Old June 25th 06, 06:54 PM posted to rec.bicycles.tech
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Default cone wrench: why so massive?



Paul Cassel wrote:

Michael wrote:
During my usual scan of the pegboard displays at LBS, I paused to look at
blister packed cone wrenches (all were Pedro, I think). While the 13mm had more
or less reasonable dimensions and price - roughly 7" handle; about $7 - the
15mm was comparatively huge and 2x-3x the price. Sure, more steel increases
cost, but isn't 12" of leverage on a cone wrench massive overkill? I certainly
would never buy such a beast, much less carry it on the bike.

Because I didn't like the large sizes of the cone wrenches I'd seen, I made one
by grinding down the cheeks of a 13mm-15mm open-end wrench. It turned 26 years
old this month.

I'd guess the 15mm was specifically made as a pedal wrench which would
account for the larger size.



Pedal wrench .... That's possible, I suppose. But it's so thin; exactly like a
cone wrench. I prefer thick jaws (more bearing surface) on wrenches that I lean
on. I like my set of Pedro tire levers but the "pedal wrench", if that's what
it is, seems ill-conceived.

--
Michael
  #5  
Old June 25th 06, 07:24 PM posted to rec.bicycles.tech
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Default cone wrench: why so massive?

Michael wrote:



Pedal wrench .... That's possible, I suppose. But it's so thin; exactly like a
cone wrench. I prefer thick jaws (more bearing surface) on wrenches that I lean
on. I like my set of Pedro tire levers but the "pedal wrench", if that's what
it is, seems ill-conceived.


I think it more than possible. I own one.
  #6  
Old June 25th 06, 07:44 PM posted to rec.bicycles.tech
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Default cone wrench: why so massive?

Michael writes:

Pedal wrench .... That's possible, I suppose. But it's so thin; exactly like a
cone wrench.


There are quite a few pedals that demand a fairly thin wrench. (It's
probably still thicker than a cone wrench, or else the cone wrenches
are unusally thick.)
  #7  
Old June 26th 06, 01:37 AM posted to rec.bicycles.tech
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Default cone wrench: why so massive?


Michael wrote:
During my usual scan of the pegboard displays at LBS, I paused to look at
blister packed cone wrenches (all were Pedro, I think). While the 13mm had more
or less reasonable dimensions and price - roughly 7" handle; about $7 - the
15mm was comparatively huge and 2x-3x the price. Sure, more steel increases
cost, but isn't 12" of leverage on a cone wrench massive overkill? I certainly
would never buy such a beast, much less carry it on the bike.

Because I didn't like the large sizes of the cone wrenches I'd seen, I made one
by grinding down the cheeks of a 13mm-15mm open-end wrench. It turned 26 years
old this month.

--
Michael


Like this one?
http://www.rei.com/online/store/Prod...m_cat=datafeed

Many pedals don't allow a full-width 15mm wrench to decrease the
q-factor.

Phil

  #8  
Old June 26th 06, 11:41 AM posted to rec.bicycles.tech
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Default cone wrench: why so massive?

On Sun, 25 Jun 2006 17:54:04 GMT, Michael wrote:



Paul Cassel wrote:

Michael wrote:
During my usual scan of the pegboard displays at LBS, I paused to look at
blister packed cone wrenches (all were Pedro, I think). While the 13mm had more
or less reasonable dimensions and price - roughly 7" handle; about $7 - the
15mm was comparatively huge and 2x-3x the price. Sure, more steel increases
cost, but isn't 12" of leverage on a cone wrench massive overkill? I certainly
would never buy such a beast, much less carry it on the bike.

Because I didn't like the large sizes of the cone wrenches I'd seen, I made one
by grinding down the cheeks of a 13mm-15mm open-end wrench. It turned 26 years
old this month.

I'd guess the 15mm was specifically made as a pedal wrench which would
account for the larger size.



Pedal wrench .... That's possible, I suppose. But it's so thin; exactly like a
cone wrench.


It might be a dual-purpose wrench for cones and pedals.

JT

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  #9  
Old June 26th 06, 04:55 PM posted to rec.bicycles.tech
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Default cone wrench: why so massive?



"Phil, Squid-in-Training" wrote:

Michael wrote:
During my usual scan of the pegboard displays at LBS, I paused to look at
blister packed cone wrenches (all were Pedro, I think). While the 13mm had more
or less reasonable dimensions and price - roughly 7" handle; about $7 - the
15mm was comparatively huge and 2x-3x the price. Sure, more steel increases
cost, but isn't 12" of leverage on a cone wrench massive overkill? I certainly
would never buy such a beast, much less carry it on the bike.

Because I didn't like the large sizes of the cone wrenches I'd seen, I made one
by grinding down the cheeks of a 13mm-15mm open-end wrench. It turned 26 years
old this month.

--
Michael


Like this one?
http://www.rei.com/online/store/Prod...m_cat=datafeed

Many pedals don't allow a full-width 15mm wrench to decrease the
q-factor.

Phil



"q-factor" Would that be "lateral bending stress"? Makes sense to me that one
would want the distance between pedal and crank to be "vanishingly small" (as my
calculus text put it).

--
Michael
  #10  
Old June 27th 06, 08:11 AM posted to rec.bicycles.tech
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Default cone wrench: why so massive?

On Sun, 25 Jun 2006 14:14:05 GMT, Michael wrote:

During my usual scan of the pegboard displays at LBS, I paused to look at
blister packed cone wrenches (all were Pedro, I think). While the 13mm had more
or less reasonable dimensions and price - roughly 7" handle; about $7 - the
15mm was comparatively huge and 2x-3x the price. Sure, more steel increases
cost, but isn't 12" of leverage on a cone wrench massive overkill? I certainly
would never buy such a beast, much less carry it on the bike.


That wasn't a cone wrench. It was a pedal wrench.
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