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  1. #51
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    Is the width of the cog teeth a concern? My understanding is that all cogs are the same width all the way up to 9spd, just different spacing, but that 10spd is narrower and requires different chain. Am I incorrect? Or is this only an issue in theory and not in practice?

    If that's the case, I'm still thinking that taking a 7spd 11-34 cassette and adding perhaps just a 40t cog shouldn't be too tall an order.

  2. #52
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    Cog width is very similar, but spacing is smaller. This is not really a problem when adding the 40t as its one end of the cassette. Your shifter will want to shift the chain further than it needs, but you use your limit screw to prevent it from shifting further than it needs to. For 7spd the gear spacing is the same as 8spd which is why the 8/9/10 spd freehub is one gear wider than the 7spd freehub. If you have an 8/9/10spd freehub on your wheel you could add the 40t to your 7spd cassette and then use an 8spd shifter for an 11-40t 8 speed setup. I too mashed up an 11-40t 9 speed cassette, and its been working really well.

  3. #53
    kneecap
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    I'm interested tigWorld. Will the e-13 gouge up a alum free hub much. I do a lot of climbing in my granny front. Thanks

  4. #54
    The Fastest of Bananas
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    The cog is aluminum, and has a large interface, so no.

  5. #55
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    Quote Originally Posted by kneecap View Post
    ...Will the e-13 gouge up a alum free hub much. I do a lot of climbing in my granny front. Thanks
    Like FastBanana says, its fairly thick at the cassette spline. It certainly hasn't marked my daugther's alu freehub body.

  6. #56
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    Anyone try a Hg-61 with a 42t?
    I like to fart when I'm in front of you on a climb

  7. #57
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    didnt tried it but its a jump from 36 to 42 (just like the 1X10) so its should work fine.
    only use with a medium or long derailleur!
    my little Blog - rides and mtb parts
    http://mtb-il.blogspot.com/

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