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  1. #1
    A Surly Maverick
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    Middleburn Fatty Crank !

    Looks like it has arrived (?).

    Was looking on the Sideways Cycles blog and found this :-

    Middleburn Fatty Crank « Sideways Cycles



    Disclaimer :- no relationship with SWC other than bought a Nate off them once.
    A Fatback'd Lefty for who life IS a Beach

  2. #2
    mtbr member
    Reputation: Velobike's Avatar
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    Then this will interest you






    Forward Components eccentric BB
    As little bike as possible, as silent as possible.
    Latitude: 57º36' Highlands, Scotland

  3. #3
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    arghhhhh my heads gonna explode with all this great new componentry for fatties


    ive got a phil wood bb and middleburn crank at the mo

  4. #4
    mtbr member
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    Quote Originally Posted by cozz View Post
    ...ive got a phil wood bb and middleburn crank at the mo
    I've got that set up on my 907, but with the x type crank I can use the eccentrics and adjust my chain, so the Pug is going to get an upgrade too.
    As little bike as possible, as silent as possible.
    Latitude: 57º36' Highlands, Scotland

  5. #5
    How much does it weigh?
    Reputation: Borgschulze's Avatar
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    I just wish they weren't $400....

    That's just too expensive for adding a spindle in my opinion.

    I mean.. I just bought e.Thirteen cranks for $200... and CRC has the RS8 X-Type for 68mm shell at $215...

  6. #6
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    Quote Originally Posted by Borgschulze View Post
    CRC has the RS8 X-Type for 68mm shell at $215...
    That's for the arms and spindle only. By the time you add a spider, bolts, and rings, you come close to the $400 mark.

    mtbtandems.com is the US distributor for Middleburn. In my experience their prices have been a little better than CRC's.
    Last edited by Andy FitzGibbon; 03-23-2012 at 04:10 PM.

  7. #7
    Dirt Huffer
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    $400 = FAIL. They should be carbon fiber for that much

  8. #8
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    Quote Originally Posted by AC/BC View Post
    $400 = FAIL. They should be carbon fiber for that much
    agreed

  9. #9
    How much does it weigh?
    Reputation: Borgschulze's Avatar
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    Quote Originally Posted by Andy FitzGibbon View Post
    That's for the arms and spindle only. By the time you add a spider, bolts, and rings, you come close to the $400 mark.

    mtbtandems.com is the US distributor for Middleburn. In my experience their prices have been a little better than CRC's.
    Still $125 for Square Taper arms, or $215 for X-Type...

    $280~ for what I want... X-Type arms + Uno ring. I refuse to put front derailleurs on my bikes.

    With that $120 I can buy a King BB...

  10. #10
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    Quote Originally Posted by AC/BC View Post
    $400 = FAIL. They should be carbon fiber for that much
    I get too many pedal strikes to want carbon fibre for my cranks. I'd happily use it for my road cranks though.
    As little bike as possible, as silent as possible.
    Latitude: 57º36' Highlands, Scotland

  11. #11
    Bicycle Obsessed
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    Quote Originally Posted by Andy FitzGibbon View Post
    That's for the arms and spindle only. By the time you add a spider, bolts, and rings, you come close to the $400 mark.

    mtbtandems.com is the US distributor for Middleburn. In my experience their prices have been a little better than CRC's.
    I paid $210 for a Middleburn RS7 UNO, spider, lock ring and crank bolts from CRC.

  12. #12
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    Quote Originally Posted by jpettit View Post
    I paid $210 for a Middleburn RS7 UNO, spider, lock ring and crank bolts from CRC.
    We are talking about X-Type arms, which are thru-axle and are much more expensive. The RS7 arms are square taper or ISIS only.

  13. #13
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    Quote Originally Posted by Borgschulze View Post
    Still $125 for Square Taper arms, or $215 for X-Type...

    $280~ for what I want... X-Type arms + Uno ring. I refuse to put front derailleurs on my bikes.

    With that $120 I can buy a King BB...
    Middleburns are darn expensive no matter what, and there is a big jump in price from the square or ISIS arms to the X-Type.

    My point was that they aren't that much more expensive than a standard set of Middleburn X-Type arms, going by what the blog says. If you put together an X-Type crank with three rings and a triple spider, you end up over $400 from either CRC or mtbtandems.com.
    Last edited by Andy FitzGibbon; 03-23-2012 at 08:28 PM.

  14. #14
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    I was hoping for news of something like a DUO chainring with a 20t inner with a 30t +
    outer...or a spider for the same result...someday? Something to keep from increasing
    the Q factor...not that I am too concerned about that, but moving the rings over is a
    better way IMO.

  15. #15
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    Note they won't fit a Moonlander - I know all to well......

  16. #16
    aka DummyDiva
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    Middleburn crank and chainring on my Pugs with an IGH.
    Attached Thumbnails Attached Thumbnails Middleburn Fatty Crank !-puglsey01_web.jpg  


  17. #17
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    Cool looking but unfortunately pretty heavy too.

    I think Middelburn's reputation for being light weight is from many years ago.

  18. #18
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    Quote Originally Posted by modifier View Post
    Cool looking but unfortunately pretty heavy too.
    Advertised weights for the Middleburn standard (not fat) X-Type cranks are only 40 grams over e*thirteen's standard crank. I would expect that the fat versions would have about the same weight gap. Should be the two lightest options for fat bikes.

  19. #19
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    Quote Originally Posted by Andy FitzGibbon View Post
    Advertised weights for the Middleburn standard (not fat) X-Type cranks are only 40 grams over e*thirteen's standard crank. I would expect that the fat versions would have about the same weight gap. Should be the two lightest options for fat bikes.
    Hmm, well I didn't look anything up but from memory I thought E13 100mm full cranksets with 3 rings were only around 850g. What's on the scale above is already over that. 931g and there is still a lot left to go.

  20. #20
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    Quote Originally Posted by modifier View Post
    What's on the scale above is already over that. 931g and there is still a lot left to go.
    The FC EBB in the pic above is a lot heavier than a "normal" BB so I guess you can subtract around 175 grams from the 931 grams…

  21. #21
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    My question: Will Middleburn make the equivalent of the MWOD spider for its cranks? I've an older square taper/phil setup, which will last forever, as you all know. I'd love to future-proof it with some wider clearance in the future.
    Those are beautiful spinners, Velobike!
    -Chris

  22. #22
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    Quote Originally Posted by modifier View Post
    Hmm, well I didn't look anything up but from memory I thought E13 100mm full cranksets with 3 rings were only around 850g. What's on the scale above is already over that. 931g and there is still a lot left to go.
    The BB that velo pictured above is a Forward Components EBB. Weighs about 200 grams more than a standard Shimano Hollowtech II. The cups and eccentrics are stainless.

    A lot of advertised weights for thru-axle cranks don't include the weight of the bottom bracket.

    e*thirteen triple crankset (standard width): 730 grams

    Middleburn RS8 X-Type triple crankset (standard length): 778 grams

    Add around 100 grams to either one for the bottom bracket.

    The e*thirteen wide triple cranks are 796 grams, or 66 grams more than the standard. I would expect the Middleburn wide setup to gain about the same amount of weight.

  23. #23
    @adelorenzo
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    Those are so sweet. I wish that Middleburn made 180mm length in their X-type cranks.

  24. #24
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    I am curious as to the Q factor reference when discussing cranks. I hate to be left in the dark, please
    enlighten me. Thanks

    RailnTrail

  25. #25
    A Surly Maverick
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    A Fatback'd Lefty for who life IS a Beach

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