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  1. #1
    mtbr member
    Join Date
    Apr 2010

    rear dropouts on spec pitch question

    i have a totally stock 2011 spec. pitch pro. With the bike upside down, putting the rear wheel back on, I noticed on the rear hub, the part that sits in the dropouts only extends about halfway into the dropout.
    So, say the dropout is 1/4" wide... the axle extends an 1/8" into the dropout.
    Its the same on both sides, ill take a pic if it necessary but im hoping someone knows what im talking about.

    It's held on with a quick release rod that if i crank on it seems good but yesterday i went riding and hopped off some mound of dirt maybe 8 inches in the air and the rear wheel got out of the dropout. I got it back in and got the quick release extra tight and it was fine.

    It just seems like a very small amount of contact, those style dropouts never seem that strong to begin with. Is this normal?

  2. #2
    mtbr member
    Reputation: Wombat's Avatar
    Join Date
    Jan 2004
    That's how it has to work with a QR release hub: the axle needs to sit inside the drop out, otherwise the QR won't put any pressure on it.

    If the axle is coming loose, some QR designs are better than others. The general consensus is that Shimanos are very good at keeping the axle in place.


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