These coatings also help to explain why Kerin experienced a progressive ramp-up of wear rates on cheaper models of chains – likely the result of increased material friction once the coatings had worn away.
In the top pic above, with black/gold color scheme, it appears that the rollers are coated, but the pins and inner plates aren’t.
SRAM GX Eagle 12-Speed Chain PowerLock KMC and YBN are also worth considering if you’re looking to get more efficiency from your drivetrain. There are of course other factors beyond durability and efficiency that help to define a good chain, and it can often greatly depend on your specific drivetrain setup.However, 12-speed is a totally different story. For now, Kerin’s theory is that the coatings used on many KMC chains repel common lubricants from doing their task, and it’s a theory backed up by the fact that many users often report their KMC chains sounding dry and squeaky in short periods of time.Kerin did retest the KMC X11E chain with a good lube (NFS) and also found wear rates to be relatively poor when compared to the control chain (however, and as expected, the NFS lube did result in almost twice the distance before wear). Best 10 speed chain KMC x10sl Gold.
“However, there were some big surprises which required a lot of further investigation and additional independent testing – it has taken over a year!” Kerin tested 31 models of chain, all bought out of his own pocket. Coming in just behind, and reaching the .5% wear mark at near 3,000 km were the Shimano Dura-Ace (HG-901), YBN SLA Gold, Campagnolo Chorus, Campagnolo Record, and YBN Anti Corrosion. There are a mind-numbing number of factors that go into making a chain efficient, and that’s no surprise when you consider there are over 38,000 unique instances of sliding friction involved every minute at 90 rpm.
Generally speaking, higher-end chains offer coatings or materials which are better equipped to resist rust when left to the elements.
Customer Reviews SRAM’s new AXS Road requires some very specific cogs, and aftermarket options are limited.Perhaps the most glaring omissions from the list are SRAM’s new Flat Top chains required for its Red and Force AXS road groupsets.
A lower grade of steel and/or different levels of material hardening may be present between the cheapest and most expensive of chains. Other chains that showed wear noticeably faster via a chain wear checker than pure elongation were Shimano Dura-Ace, YBN E-bike chain, SRAM PC1170 and SRAM PC1190.
United Kingdom KMC Chain > Chains > 12 Speed. This chart combines the measured wear and purchase cost of each chain. The results were basically identical.
The X-Shift pattern involves much shaping, with chamfers, cuts, and slants all designed to make it run silent and shift fast across the entire cassette range. Joining VeloClub not only supports the work we do, there are some fantastic benefits:But given the chain is one of the hardest-working components on a bike, why do we stop there? And this finding — of the second-tier chain being faster — goes against the trends seen in other chain brands.
Comes lubed out of the box and with the quick disconnect link.
A micrometre gives one indication for why this sluggishness may exist, with SRAM chains revealing far tighter tolerances between components than is seen with many of SRAM’s competitors. There was a problem completing your request. Much thicker (5-10 um) and excessive internal stresses start to build up and coating can delaminate.i had the chain from the last pic which is in fact the 11s chain.
“Both the X01 and XX1 chains were so far ahead of any other chain from a pure elongation wear measure that I had to re-run the tests. Kerin is in the process of working on this very area, so stay tuned. Both of these chains are excellent choices.
With the visually-stunning X12-TI Nitride Gold Chain they've made their foray into the realm of 12-speed to accommodate the growing market of wide range mountain bike drivetrains. X Series 12 Speed.
Keep in mind that Kerin’s test considers .5mm to be worn out, and so .12mm is almost a quarter of the allowable wear allowance. More and more 12-speed chains are continually hitting the market, and these are something that Kerin will likely revisit in the future. I like KMC for the quick link. Keep in mind that CeramicSpeed’s chains are using a coating that’s truly special, and the friction numbers between chain models are likely to be far greater with regular lubricants.
It’s these cheaper chains that are most likely to leave you with unexpected drivetrain wear unless you’re fastidious with your wear checking.
Compare with similar items. Sure, older 8-, 9- and even 10-speed systems do offer wider cog widths which provide increased surface area with the chain, but does that actually mean the chains are more durable? That all said, Kerin’s data does suggest the Shimano Ultegra HG-701 11-speed chain offers better durability over the more expensive Dura-Ace HG-901 model.
The reasoning for this is less clear, but certain materials have improved, manufacturing processes have become refined, and new low-friction coatings have been added. The lower the number, the better.
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