Fat bike crank confusion- Mtbr.com
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  1. #1
    mtbr member
    Join Date
    Oct 2010

    Fat bike crank confusion

    Not sure if I should have posted here or in the drive components forum. I'm thinking about building up one of these frames The Mayor | RSD Bikes. I want to stick to a 2x10 system and am having a hard time understanding what crankset I would use. Will the 100 mm X5 crankset (67 mm chainline) off my current pugsley work with this 190 mm rear frame(or any 190 rear frame for that matter) or is a 190 rear too wide for that crank? I'll be using marge lites with 4" tires. I've emailed the company and they really can't seem to tell me if my X5 crankset will work.
    Does anyone know what the chainline is for a 190 mm rear hub with 10 speed cassette? Sure wish they would have just built it with a 170 mm rear, it would make things so much simpler but I guess 190 is the future.

  2. #2
    Rocking on a Rocky
    Reputation: RockyJo1's Avatar
    Join Date
    Jul 2012
    The crank that come on the bike takes a granny gear does it not?
    :thumbsup:It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  3. #3
    aka bOb
    Reputation: bdundee's Avatar
    Join Date
    Feb 2008

  4. #4
    since 4/10/2009
    Reputation: Harold's Avatar
    Join Date
    Dec 2003
    I assume that frame uses a BSA bottom bracket, but you might want to ask RSD to verify.

    This one is also very informative, with information about hub widths, spindle lengths, and spacers/shims:


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