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<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of drivechain wasnrCOt changed.
Notable that chain condition and chain line had much less impact than Chainring/sprocket size ie cross chaining to big/big is more efficient than dropping to a smaller chain ring, though rather kinder on the bike!
Notable also that the presenters was surprised by the results.
Roger Merriman
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of drivechain wasnrCOt changed.
Notable that chain condition and chain line had much less impact than Chainring/sprocket size ie cross chaining to big/big is more efficient than dropping to a smaller chain ring, though rather kinder on the bike!
Notable also that the presenters was surprised by the results.
Roger Merriman
On 10/5/2025 4:59 PM, Roger Merriman wrote:
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain
though rest of
drivechain wasnrCOt changed.
Notable that chain condition and chain line had much less
impact than
Chainring/sprocket size ie cross chaining to big/big is
more efficient than
dropping to a smaller chain ring, though rather kinder on
the bike!
Notable also that the presenters was surprised by the
results.
Roger Merriman
Lots of complaints about using a Sram 'flat top' chain on
shimano cogs. Not really anything the casual rider would be
able to detect but when you're measuring the a 1 watt
accuracy it's easily measurable.
On 10/5/2025 5:20 PM, zen cycle wrote:
On 10/5/2025 4:59 PM, Roger Merriman wrote:
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of >>> drivechain wasnrCOt changed.
Notable that chain condition and chain line had much less impact than
Chainring/sprocket size ie cross chaining to big/big is more
efficient than
dropping to a smaller chain ring, though rather kinder on the bike!
Notable also that the presenters was surprised by the results.
Roger Merriman
Lots of complaints about using a Sram 'flat top' chain on shimano
cogs. Not really anything the casual rider would be able to detect but
when you're measuring the a 1 watt accuracy it's easily measurable.
I did not know that. Why is that?
On 10/5/2025 5:20 PM, zen cycle wrote:
On 10/5/2025 4:59 PM, Roger Merriman wrote:
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of >>> drivechain wasnrCOt changed.
Notable that chain condition and chain line had much less impact than
Chainring/sprocket size ie cross chaining to big/big is more
efficient than
dropping to a smaller chain ring, though rather kinder on the bike!
Notable also that the presenters was surprised by the results.
Roger Merriman
Lots of complaints about using a Sram 'flat top' chain on shimano
cogs. Not really anything the casual rider would be able to detect but
when you're measuring the a 1 watt accuracy it's easily measurable.
I did not know that. Why is that?
On 10/5/2025 7:09 PM, AMuzi wrote:
On 10/5/2025 5:20 PM, zen cycle wrote:
On 10/5/2025 4:59 PM, Roger Merriman wrote:
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc
chain though rest of
drivechain wasnrCOt changed.
Notable that chain condition and chain line had much
less impact than
Chainring/sprocket size ie cross chaining to big/big is
more efficient than
dropping to a smaller chain ring, though rather kinder
on the bike!
Notable also that the presenters was surprised by the
results.
Roger Merriman
Lots of complaints about using a Sram 'flat top' chain on
shimano cogs. Not really anything the casual rider would
be able to detect but when you're measuring the a 1 watt
accuracy it's easily measurable.
I did not know that. Why is that?
yet more information - Still from Zinn
https://lennardzinn.substack.com/p/sram-12-speed-axs-
flattop-chains
A few different questions there related to AXS chains
On 10/5/2025 7:09 PM, AMuzi wrote:
On 10/5/2025 5:20 PM, zen cycle wrote:
On 10/5/2025 4:59 PM, Roger Merriman wrote:
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of >>>> drivechain wasnrCOt changed.
Notable that chain condition and chain line had much less impact than
Chainring/sprocket size ie cross chaining to big/big is more
efficient than
dropping to a smaller chain ring, though rather kinder on the bike!
Notable also that the presenters was surprised by the results.
Roger Merriman
Lots of complaints about using a Sram 'flat top' chain on shimano
cogs. Not really anything the casual rider would be able to detect but
when you're measuring the a 1 watt accuracy it's easily measurable.
I did not know that. Why is that?
https://velo.outsideonline.com/road/road-racing/technical-faq-compatibility-of-12-speed-components
"I know a Flattop chain will skip on any cassette other than AXS,
because the big rollers wonrCOt drop into the valleys "
How GCN may have managed to get the chain not to skip, I don't know.
Maybe it will only skip under heavy load and the GCN study didn't apply heavy load? you don't really need a heavy load to measure efficiency.
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of drivechain wasnrCOt changed.
Notable that chain condition and chain line had much less impact than Chainring/sprocket size ie cross chaining to big/big is more efficient than dropping to a smaller chain ring, though rather kinder on the bike!
Notable also that the presenters was surprised by the results.
Roger Merriman
On 10/5/2025 1:59 PM, Roger Merriman wrote:
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of
drivechain wasnrCOt changed.
Notable that chain condition and chain line had much less impact than
Chainring/sprocket size ie cross chaining to big/big is more efficient than >> dropping to a smaller chain ring, though rather kinder on the bike!
Notable also that the presenters was surprised by the results.
Roger Merriman
They should have also tested a chain lubricated with a quality
penetrating chain lubricant. The test I saw showed that a new waxed
chain was less efficient than a clean, new oiled chain, but more
efficient than a dirty oiled chain. Pro teams still use wet lubes.
What the Experts say About Chain Waxing:
"When wax was popular, we'd get customers coming in all the time
complaining about shifting problems on their bikes. Removed the wax and lubed with conventional stuff and voila, shifting back to normal." Mike Jacoubowsky, co-owner of Chain Reaction Bicycles.
"Wax is not mobile and cannot return to a location from which it has
been removed by rotation of one part on another." Jobst Brandt, author
of The Bicycle Wheel
"If you use dry lube or wax, follow product directions and use it often.
In some cases, dry lube should be used for every ride. It wears off very quickly and no new lube can flow to the critical wear areas." Craig Metalcraft, manufacturer of Super Link III.
"Downsides of the wax approach include the fact that it is a great deal
of trouble, and that wax is probably not as good a lubricant as oil or grease." Sheldon Brown
sms <scharf.steven@geemail.com> wrote:
On 10/5/2025 1:59 PM, Roger Merriman wrote:
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of >>> drivechain wasnAt changed.
Notable that chain condition and chain line had much less impact than
Chainring/sprocket size ie cross chaining to big/big is more efficient than >>> dropping to a smaller chain ring, though rather kinder on the bike!
Notable also that the presenters was surprised by the results.
Roger Merriman
They should have also tested a chain lubricated with a quality
penetrating chain lubricant. The test I saw showed that a new waxed
chain was less efficient than a clean, new oiled chain, but more
efficient than a dirty oiled chain. Pro teams still use wet lubes.
What the Experts say About Chain Waxing:
"When wax was popular, we'd get customers coming in all the time
complaining about shifting problems on their bikes. Removed the wax and
lubed with conventional stuff and voila, shifting back to normal." Mike
Jacoubowsky, co-owner of Chain Reaction Bicycles.
"Wax is not mobile and cannot return to a location from which it has
been removed by rotation of one part on another." Jobst Brandt, author
of The Bicycle Wheel
"If you use dry lube or wax, follow product directions and use it often.
In some cases, dry lube should be used for every ride. It wears off very
quickly and no new lube can flow to the critical wear areas." Craig
Metalcraft, manufacturer of Super Link III.
"Downsides of the wax approach include the fact that it is a great deal
of trouble, and that wax is probably not as good a lubricant as oil or
grease." Sheldon Brown
At least two of those have been dead for years if not a decade or more? >Technology does change.
CanAt say I have any desires to use wax and hot pots etc, life is way too >short. Though I like the drip on wax stuff as it generally stays clean,
some of the oils which I also have and use, will last longer in filthy >conditions but in better condition they pick up stuff and end up cleaning
the chain down to that.
I suspect that apply more than needed though the osquirto bottle lasts
months so frankly doesnAt seem worth changing, ie I reapplied as and when.
Roger Merriman
On 7 Oct 2025 19:08:39 GMT, Roger Merriman <roger@sarlet.com> wrote:
sms <scharf.steven@geemail.com> wrote:
On 10/5/2025 1:59 PM, Roger Merriman wrote:
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of >>>> drivechain wasn-At changed.
Notable that chain condition and chain line had much less impact than
Chainring/sprocket size ie cross chaining to big/big is more efficient than
dropping to a smaller chain ring, though rather kinder on the bike!
Notable also that the presenters was surprised by the results.
Roger Merriman
They should have also tested a chain lubricated with a quality
penetrating chain lubricant. The test I saw showed that a new waxed
chain was less efficient than a clean, new oiled chain, but more
efficient than a dirty oiled chain. Pro teams still use wet lubes.
What the Experts say About Chain Waxing:
"When wax was popular, we'd get customers coming in all the time
complaining about shifting problems on their bikes. Removed the wax and >>> lubed with conventional stuff and voila, shifting back to normal." Mike >>> Jacoubowsky, co-owner of Chain Reaction Bicycles.
"Wax is not mobile and cannot return to a location from which it has
been removed by rotation of one part on another." Jobst Brandt, author
of The Bicycle Wheel
"If you use dry lube or wax, follow product directions and use it often. >>> In some cases, dry lube should be used for every ride. It wears off very >>> quickly and no new lube can flow to the critical wear areas." Craig
Metalcraft, manufacturer of Super Link III.
"Downsides of the wax approach include the fact that it is a great deal >>> of trouble, and that wax is probably not as good a lubricant as oil or
grease." Sheldon Brown
At least two of those have been dead for years if not a decade or more?
Technology does change.
Can-At say I have any desires to use wax and hot pots etc, life is way too >> short. Though I like the drip on wax stuff as it generally stays clean,
some of the oils which I also have and use, will last longer in filthy
conditions but in better condition they pick up stuff and end up cleaning
the chain down to that.
I suspect that apply more than needed though the -osquirt-o bottle lasts
months so frankly doesn-At seem worth changing, ie I reapplied as and when. >>
Roger Merriman
Some don't seem to realize that when lubricating a chain the important portion to lubricate is the 'inside", the parts of the Chan that rub together, not the outside that rubs against the sprocket.
--
cheers,
John B.
John B. <jbslocomb@fictitious.site> wrote:
On 7 Oct 2025 19:08:39 GMT, Roger Merriman <roger@sarlet.com> wrote:
sms <scharf.steven@geemail.com> wrote:
On 10/5/2025 1:59 PM, Roger Merriman wrote:
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of >>>>> drivechain wasn?t changed.
Notable that chain condition and chain line had much less impact than >>>>> Chainring/sprocket size ie cross chaining to big/big is more efficient than
dropping to a smaller chain ring, though rather kinder on the bike!
Notable also that the presenters was surprised by the results.
Roger Merriman
They should have also tested a chain lubricated with a quality
penetrating chain lubricant. The test I saw showed that a new waxed
chain was less efficient than a clean, new oiled chain, but more
efficient than a dirty oiled chain. Pro teams still use wet lubes.
What the Experts say About Chain Waxing:
"When wax was popular, we'd get customers coming in all the time
complaining about shifting problems on their bikes. Removed the wax and >>>> lubed with conventional stuff and voila, shifting back to normal." Mike >>>> Jacoubowsky, co-owner of Chain Reaction Bicycles.
"Wax is not mobile and cannot return to a location from which it has
been removed by rotation of one part on another." Jobst Brandt, author >>>> of The Bicycle Wheel
"If you use dry lube or wax, follow product directions and use it often. >>>> In some cases, dry lube should be used for every ride. It wears off very >>>> quickly and no new lube can flow to the critical wear areas." Craig
Metalcraft, manufacturer of Super Link III.
"Downsides of the wax approach include the fact that it is a great deal >>>> of trouble, and that wax is probably not as good a lubricant as oil or >>>> grease." Sheldon Brown
At least two of those have been dead for years if not a decade or more?
Technology does change.
Can?t say I have any desires to use wax and hot pots etc, life is way too >>> short. Though I like the drip on wax stuff as it generally stays clean,
some of the oils which I also have and use, will last longer in filthy
conditions but in better condition they pick up stuff and end up cleaning >>> the chain down to that.
I suspect that apply more than needed though the ?squirt? bottle lasts
months so frankly doesn?t seem worth changing, ie I reapplied as and when. >>>
Roger Merriman
Some don't seem to realize that when lubricating a chain the important
portion to lubricate is the 'inside", the parts of the Chan that rub
together, not the outside that rubs against the sprocket.
Indeed though in wetter climates, in terms of rust stuff like the outer >plates if not covered will start to corrode, my main commute bike is prone
to this, though being a outside pet, this said as long as the inner is rust >free doesnAt seem to effect shifting, and use tends to clear it somewhat.
--Roger Merriman
cheers,
John B.
On 8 Oct 2025 05:49:32 GMT, Roger Merriman <roger@sarlet.com> wrote:
John B. <jbslocomb@fictitious.site> wrote:
On 7 Oct 2025 19:08:39 GMT, Roger Merriman <roger@sarlet.com> wrote:
sms <scharf.steven@geemail.com> wrote:
On 10/5/2025 1:59 PM, Roger Merriman wrote:
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of >>>>>> drivechain wasn?t changed.
Notable that chain condition and chain line had much less impact than >>>>>> Chainring/sprocket size ie cross chaining to big/big is more efficient than
dropping to a smaller chain ring, though rather kinder on the bike! >>>>>>
Notable also that the presenters was surprised by the results.
Roger Merriman
They should have also tested a chain lubricated with a quality
penetrating chain lubricant. The test I saw showed that a new waxed
chain was less efficient than a clean, new oiled chain, but more
efficient than a dirty oiled chain. Pro teams still use wet lubes.
What the Experts say About Chain Waxing:
"When wax was popular, we'd get customers coming in all the time
complaining about shifting problems on their bikes. Removed the wax and >>>>> lubed with conventional stuff and voila, shifting back to normal." Mike >>>>> Jacoubowsky, co-owner of Chain Reaction Bicycles.
"Wax is not mobile and cannot return to a location from which it has >>>>> been removed by rotation of one part on another." Jobst Brandt, author >>>>> of The Bicycle Wheel
"If you use dry lube or wax, follow product directions and use it often. >>>>> In some cases, dry lube should be used for every ride. It wears off very >>>>> quickly and no new lube can flow to the critical wear areas." Craig
Metalcraft, manufacturer of Super Link III.
"Downsides of the wax approach include the fact that it is a great deal >>>>> of trouble, and that wax is probably not as good a lubricant as oil or >>>>> grease." Sheldon Brown
At least two of those have been dead for years if not a decade or more? >>>> Technology does change.
Can?t say I have any desires to use wax and hot pots etc, life is way too >>>> short. Though I like the drip on wax stuff as it generally stays clean, >>>> some of the oils which I also have and use, will last longer in filthy >>>> conditions but in better condition they pick up stuff and end up cleaning >>>> the chain down to that.
I suspect that apply more than needed though the ?squirt? bottle lasts >>>> months so frankly doesn?t seem worth changing, ie I reapplied as and when. >>>>
Roger Merriman
Some don't seem to realize that when lubricating a chain the important
portion to lubricate is the 'inside", the parts of the Chan that rub
together, not the outside that rubs against the sprocket.
Indeed though in wetter climates, in terms of rust stuff like the outer
plates if not covered will start to corrode, my main commute bike is prone >> to this, though being a outside pet, this said as long as the inner is rust >> free doesnrCOt seem to effect shifting, and use tends to clear it somewhat. >>> --
cheers,Roger Merriman
John B.
But corrosion, if limited to the outer surfaces of the chains, while
not contributed to the appearance of the chain have little effect on
the efficiency of the chain.
--
cheers,
John B.
On 10/8/2025 3:13 AM, John B. wrote:
On 8 Oct 2025 05:49:32 GMT, Roger Merriman <roger@sarlet.com> wrote:
John B. <jbslocomb@fictitious.site> wrote:
On 7 Oct 2025 19:08:39 GMT, Roger Merriman <roger@sarlet.com> wrote:
sms <scharf.steven@geemail.com> wrote:
On 10/5/2025 1:59 PM, Roger Merriman wrote:
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of
drivechain wasn?t changed.
Notable that chain condition and chain line had much less impact than >>>>>>> Chainring/sprocket size ie cross chaining to big/big is more efficient than
dropping to a smaller chain ring, though rather kinder on the bike! >>>>>>>
Notable also that the presenters was surprised by the results.
Roger Merriman
They should have also tested a chain lubricated with a quality
penetrating chain lubricant. The test I saw showed that a new waxed >>>>>> chain was less efficient than a clean, new oiled chain, but more
efficient than a dirty oiled chain. Pro teams still use wet lubes. >>>>>>
What the Experts say About Chain Waxing:
"When wax was popular, we'd get customers coming in all the time
complaining about shifting problems on their bikes. Removed the wax and >>>>>> lubed with conventional stuff and voila, shifting back to normal." Mike >>>>>> Jacoubowsky, co-owner of Chain Reaction Bicycles.
"Wax is not mobile and cannot return to a location from which it has >>>>>> been removed by rotation of one part on another." Jobst Brandt, author >>>>>> of The Bicycle Wheel
"If you use dry lube or wax, follow product directions and use it often. >>>>>> In some cases, dry lube should be used for every ride. It wears off very >>>>>> quickly and no new lube can flow to the critical wear areas." Craig >>>>>> Metalcraft, manufacturer of Super Link III.
"Downsides of the wax approach include the fact that it is a great deal >>>>>> of trouble, and that wax is probably not as good a lubricant as oil or >>>>>> grease." Sheldon Brown
At least two of those have been dead for years if not a decade or more? >>>>> Technology does change.
Can?t say I have any desires to use wax and hot pots etc, life is way too >>>>> short. Though I like the drip on wax stuff as it generally stays clean, >>>>> some of the oils which I also have and use, will last longer in filthy >>>>> conditions but in better condition they pick up stuff and end up cleaning >>>>> the chain down to that.
I suspect that apply more than needed though the ?squirt? bottle lasts >>>>> months so frankly doesn?t seem worth changing, ie I reapplied as and when.
Roger Merriman
Some don't seem to realize that when lubricating a chain the important >>>> portion to lubricate is the 'inside", the parts of the Chan that rub
together, not the outside that rubs against the sprocket.
Indeed though in wetter climates, in terms of rust stuff like the outer
plates if not covered will start to corrode, my main commute bike is prone >>> to this, though being a outside pet, this said as long as the inner is rust >>> free doesnrCOt seem to effect shifting, and use tends to clear it somewhat. >>>> --
cheers,Roger Merriman
John B.
But corrosion, if limited to the outer surfaces of the chains, while
not contributed to the appearance of the chain have little effect on
the efficiency of the chain.
--
cheers,
John B.
That's right. The critical area is wear between the rivet
and the roller, deep inside the chain. Nothing else matters.
On 10/5/2025 1:59 PM, Roger Merriman wrote:This is because they were testing STRAIGHT wax. The wax I'm using has as additives Teflon and Molybdinum Disulfate. This combination when heated to the properrange (with the wax entirely liquid) will have the wax bubbling into a perfectly clean new chain The wax can displace but the teflon and moly enter the metal surfaces and do not exit. The chain lasts a long time and the cassette remains clean.
<https://youtu.be/aFwkW0CY7qA?si=3dY7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of drivechain wasn?t changed.
Notable that chain condition and chain line had much less impact than Chainring/sprocket size ie cross chaining to big/big is more efficient than dropping to a smaller chain ring, though rather kinder on the bike!
Notable also that the presenters was surprised by the results.
Roger Merriman
They should have also tested a chain lubricated with a quality
penetrating chain lubricant. The test I saw showed that a new waxed
chain was less efficient than a clean, new oiled chain, but more
efficient than a dirty oiled chain. Pro teams still use wet lubes.
What the Experts say About Chain Waxing:
"When wax was popular, we'd get customers coming in all the time
complaining about shifting problems on their bikes. Removed the wax and
lubed with conventional stuff and voila, shifting back to normal." Mike Jacoubowsky, co-owner of Chain Reaction Bicycles.
"Wax is not mobile and cannot return to a location from which it has
been removed by rotation of one part on another." Jobst Brandt, author
of The Bicycle Wheel
"If you use dry lube or wax, follow product directions and use it often.
In some cases, dry lube should be used for every ride. It wears off very quickly and no new lube can flow to the critical wear areas." Craig Metalcraft, manufacturer of Super Link III.
"Downsides of the wax approach include the fact that it is a great deal
of trouble, and that wax is probably not as good a lubricant as oil or grease." Sheldon Brown
On Tue Oct 7 09:06:23 2025 sms wrote:
On 10/5/2025 1:59 PM, Roger Merriman wrote:
<https://youtu.be/aFwkW0CY7qA?si=Y7Wa4cZQST4lNBeU>
Tests of a dirty chain, a new chain and a waxed etc chain though rest of >>> drivechain wasn?t changed.
Notable that chain condition and chain line had much less impact than
Chainring/sprocket size ie cross chaining to big/big is more efficient than >>> dropping to a smaller chain ring, though rather kinder on the bike!
Notable also that the presenters was surprised by the results.
Roger Merriman
They should have also tested a chain lubricated with a quality
penetrating chain lubricant. The test I saw showed that a new waxed
chain was less efficient than a clean, new oiled chain, but more
efficient than a dirty oiled chain. Pro teams still use wet lubes.
What the Experts say About Chain Waxing:
"When wax was popular, we'd get customers coming in all the time
complaining about shifting problems on their bikes. Removed the wax and
lubed with conventional stuff and voila, shifting back to normal." Mike
Jacoubowsky, co-owner of Chain Reaction Bicycles.
"Wax is not mobile and cannot return to a location from which it has
been removed by rotation of one part on another." Jobst Brandt, author
of The Bicycle Wheel
"If you use dry lube or wax, follow product directions and use it often.
In some cases, dry lube should be used for every ride. It wears off very
quickly and no new lube can flow to the critical wear areas." Craig
Metalcraft, manufacturer of Super Link III.
"Downsides of the wax approach include the fact that it is a great deal
of trouble, and that wax is probably not as good a lubricant as oil or
grease." Sheldon Brown
This is because they were testing STRAIGHT wax. The wax I'm using has as additives Teflon and Molybdinum Disulfate. This combination when heated
to the properrange (with the wax entirely liquid) will have the wax
bubbling into a perfectly clean new chain The wax can displace but the
teflon and moly enter the metal surfaces and do not exit. The chain lasts
a long time and the cassette remains clean.
Yup modern waxes be they blocks you buy to wax your chain or drip on stuff, has other stuff as well as wax.The test on efficiency was not with paraffin wax, it was with a hot wax product that had some kind of added lubricant, but it was not a drip-on lubricant product with wax.
https://velo.outsideonline.com/road/road-racing/technical-faq-compatibility-of-12-speed-componentsWhat difference do you think that there is between a standard chain and one of SRAM's flat top ones? The rollers are the same size, the sideways flex is the same and the flexibility in the drive direction is the same.
"I know a Flattop chain will skip on any cassette other than AXS,
because the big rollers won?t drop into the valleys "
How GCN may have managed to get the chain not to skip, I don't know.
Maybe it will only skip under heavy load and the GCN study didn't apply
heavy load? you don't really need a heavy load to measure efficiency.
On 10/9/2025 2:05 AM, Roger Merriman wrote:
<snip>
Yup modern waxes be they blocks you buy to wax your chain or drip on stuff, >> has other stuff as well as wax.The test on efficiency was not with paraffin wax, it was with a hot wax product that had some kind of added lubricant, but it was not a drip-on lubricant product with wax.