THIS grinds my gears......

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Dogtrousers

Lefty tighty. Get it righty.
Key words! I genuinely applaud Mr Ajax' pedantry, but it is heavily skewed to the lesser known engineering definition.

If I look on t' internet, 2 out of 5 meanings refer to increasing length permanently - totally not what Ajax is describing:

stretch

verb
1. (of something soft or elastic) be made or be capable of being made longer or wider without tearing or breaking.
my jumper stretched in the wash
2. cause (something) to become longer or wider by pulling it.
stretch the elastic
3. straighten or extend one's body or a part of one's body to its full length, typically so as to tighten one's muscles or in order to reach something.
the cat yawned and stretched
4. extend or spread over an area or period of time.
the beach stretches for over four miles
5. last or cause to last longer than expected.
her nap had stretched to two hours

I think you're stretching a point.
 

Ajax Bay

Guru
Location
East Devon
I suggest an important point has been missed. The use of 'elongate' marks one out as a patricii cognoscenti in bicycling circles whereas 'stretch' in this context reveals an Anglo-Saxon inclination for monosyllabic simplicity and reliance on 'common usage'. One has to be so careful which wheel it's safe to suck. (Just back from the pub.)
 
OP
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sevenfourate

sevenfourate

Devotee of OCD
Interesting the terminology KMC themselves use to describe the exact chain that I had wear on / have now replaced…….

**Clearly so luddites like me can understand / comprehend the simple terminology 🙄

Screenshot attached below:




IMG_2975.jpeg
 
This in the jokes or cartoons thread recently has some relevance!
 

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Ajax Bay

Guru
Location
East Devon
Interesting the terminology KMC themselves use to describe the exact chain that I had wear on / have now replaced…….
Clearly so luddites like me can understand / comprehend the simple terminology 🙄
Screenshot attached [see post above]
KMC says: "the high alloy material used in (sic) the sideplates and pins"
Tell us more about this "alloy". And in what way is it "high"?
Strictly the carbon steel of the sideplates DOES "minimise chain stretching" because the material has a high Young's Modulus and therefore the elastic stretching under tension will be "minimised" (well it'll be less than a less strong material).
Do you seriously think the pins on this 8sp chain are made out of exotic "high alloy", higher(?) than every other make/model of chain at this level in the hierarchy?
 
KMC says: "the high alloy material used in (sic) the sideplates and pins"
Tell us more about this "alloy". And in what way is it "high"?
Strictly the carbon steel of the sideplates DOES "minimise chain stretching" because the material has a high Young's Modulus and therefore the elastic stretching under tension will be "minimised" (well it'll be less than a less strong material).
Do you seriously think the pins on this 8sp chain are made out of exotic "high alloy", higher(?) than every other make/model of chain at this level in the hierarchy?

Trade Descriptions Act contravention?
 
OP
OP
sevenfourate

sevenfourate

Devotee of OCD
KMC says: "the high alloy material used in (sic) the sideplates and pins"
Tell us more about this "alloy". And in what way is it "high"?
Strictly the carbon steel of the sideplates DOES "minimise chain stretching" because the material has a high Young's Modulus and therefore the elastic stretching under tension will be "minimised" (well it'll be less than a less strong material).
Do you seriously think the pins on this 8sp chain are made out of exotic "high alloy", higher(?) than every other make/model of chain at this level in the hierarchy?

It’s a sub £15 chain. I seriously think nothing other; than a purchaser will obtain sub £15 worth of value / tech. The rest is what’s known as advertising sales spiel. Or perhaps stretching the truth to suit a purpose in this case…..
 

silva

Über Member
Location
Belgium
That pin looks to me like it is from a bushed chain. As far as I am aware most, if not all, bike chains are now bushingless.
Feel free to replace:
"Pin wear should be even on the entire circumference in an ideal scenario."
with
"Pin wear should be even on the entire CONTACT circumference in an ideal scenario."

About KMC's Sales Stories, like that mentioned "unique Bulls-Eye pin riveting system", well, Nothing New there, it's just a next.
See (in meantime remember?) their "Rust Buster Technology"
In the past, a dealer chosed and mounted such one.
The chain looked and sounded like the Silent Gray Fellow from Harley Davidson.
After a couple rides, the silence and gray on the rollers left the chain and joined the road dust.
Their famous "Rust Busting Technology" turned out to be zinc spraying.
But unlike in static applications alike roof gutters or bolts/nuts, in a dynamic transmission of force... let's say it's quicker than steel to wave goodbye.
 
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sevenfourate

sevenfourate

Devotee of OCD
Over 100 miles in to my first use of Fenwicks Professional……

IMG_3075.jpeg


The drive train noise (Or lack of it) is barely any different to when it was originally applied, mess is right around zero. Colour of chain / sprockets looks good / clean 👍

My first impressions are very-very good. There may well be better. But I’m pretty sure - even after this short initial test - this is the best I’ve used to date.
 
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