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  1. #1
    Meeeeeeeep
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    Worth Upgrading from Deore Hollowtech II crank?

    So about a year ago I bought a Shimano Deore FC-M590 crank and used it for a 3x9 then a 3x10 and now finally a 1x10. It's starting to look a little worn with some bad heel rub so I am removing the black paint and polishing it. While I am looking at it, I was wondering if it would be worth upgrading to an SLX or XT or some other crank?

    It uses the same bottom bracket and spindle interface, it's about 850g with a single race face chain ring, and doesn't look too bad when its polished.

    The only differences I can see between this crank and a SLX or XT crank is the arms are hollow on the inside on the higher end cranks while mine are hollowed out on the back.

    I ride a lot of up hill techy stuff and I tend to pedal at a pretty slow cadence, I am not much of a spinner. Would I be able to notice any difference in the way the cranks feel? Provided its not just the placebo of having new cranks...

  2. #2
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    I'd say no but depends what you consider worth it. However I just put 180mm cranks on one of my 1X9 bikes and think it's great.

  3. #3
    usually cranky
    Reputation: b-kul's Avatar
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    i think high end cranks are a pretty bad upgrade. with xt or whatever you gain some stffness and a little weight loss that you may or may not notice.

  4. #4
    I Tried Them ALL... Moderator
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    Naw, refinish it yourself. It's not too hard; sandpaper, ceramic engine enamel, clear coat, bake under heat lamp for 4hrs....now, you have a nearly-new crankset, for a fraction of NEW.
    "The mind will quit....well before the body does"

  5. #5
    Meeeeeeeep
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    Quote Originally Posted by Zachariah View Post
    Naw, refinish it yourself. It's not too hard; sandpaper, ceramic engine enamel, clear coat, bake under heat lamp for 4hrs....now, you have a nearly-new crankset, for a fraction of NEW.
    I actually ended up doing that. I took to it with a wire brush and some sand paper, it's all nice and polished now and looks amazing! I've been looking at the specs of the high end parts and I just can't justify spending $200 for something I probably wont even notice while riding.

    Worth Upgrading from Deore Hollowtech II crank?-2013-07-20-14.52.41.jpg

  6. #6
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    Looks Good! Unless it breaks, leave it be!

  7. #7
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    Nice job Dooms. Can't beat the price for this option! You'll want to hit it with some clear-coat, otherwise the aluminum will oxidize - that is, turn blotchy white and ugly! Since you've already reassembled, it won't hurt to wait until you next pull it apart, but if you wait more than a month or two, the surface will start to corrode and you'll have to wire brush it again.

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