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  1. https://fixed.org.au/t/fes-using-11-speed-chains-on-their-track-bikes/69261

    part of my confidence comes from the testing that FES did. basically top track sprinters only produce around half the tensile strength to break an 11 speed chain. wish we could see some actual documents from the test tho…im sure an email would help.

    another part of my confidence comes from just common sense. if it works on a road bike why wouldnt it work on a single speed. what difference is it from just riding one gear on your road bike without shifting (which is usually what breaks the chain anyways). chains arent directional for strength, only shifting. back and forth fixie forces should be no different

  2. Yep! I did the math too and the KMC X11 SL is 149g lighter than the equivalent length izumi track chain. (98 links) Save some weight! Never going back.

  3. Seen lots of people running the same on the track — the only downside I can tell is that cogs wear out significantly faster. I bought a steel cog at the same time as my friend who runs 11sp and his has much more wear than mine.

  4. Cool-Present-4637 on

    My KMC K1 is so thick and oversized that it barely fits in my chain breaker. That’s exactly what I’m looking for. I’m sure an 11s chain is strong enough for the watts. But considering the difference in weight is gonna be in the range of .01 Kg, I will take the peace of mind that a ridiculously over built 1/8 inch chain offers when doing tracklocross that might smash the chain into rocks, or bombing a decent at 200 rpm and trying to whip into a locked skid.

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