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  1. #1
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    Do parts wear out in Coaster Brake?

    I am looking at a Shimano Nexus internal 8 gear hub with coaster brake.
    Are there brake parts inside that wear or is the braking accomplished with gears?
    How does the coaster brake actually work?
    Thanks,
    Hbob

  2. #2
    <>< SoonerBent's Avatar
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    The old Simplex and similar coaster brakes like we had as kids had brake shoes that expanded against the inside of the hub when you forced the rear cog backward. These parts would wear. But then, whether its a brake or the gears used to stop the bike somethings got to wear.

    SS

  3. #3
    Long haired freak. wethepeople's Avatar
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    It takes quite abit to wear out a coaster brake.

    "the bus came by and I got on, that's when it all began...there was Cowboy Neal at the wheel of a bus to never-ever land."


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    Looking at the Shimano site, there is no listing for replacement wear parts for the
    Nexus coaster brake hubs. So I assume it is not something you replace often?
    Hbob

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    <>< SoonerBent's Avatar
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    I should have added that, as kids with coaster brakes, we wore out many a tire by skidding everywhere but never had brakes wear out.

    SS

  6. #6
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    Quote Originally Posted by soonerschwinn
    The old Simplex and similar coaster brakes like we had as kids had brake shoes that expanded against the inside of the hub when you forced the rear cog backward. These parts would wear. But then, whether its a brake or the gears used to stop the bike somethings got to wear.

    SS
    I agree. Wherever friction is involved there's going to be some wear. But I've found that regular, consistent maintenance - including cleaning and lubing - keeps coaster hubs running for YEARS.

  7. #7
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    Quote Originally Posted by hbob
    Looking at the Shimano site, there is no listing for replacement wear parts for the
    Nexus coaster brake hubs. So I assume it is not something you replace often?
    Hbob
    Not necessarily. They may not make the replacement parts available so you have to buy a whole new unit! How many times have I heard, "Oh, that isn't worth fixing - just buy a new one!"

  8. #8
    Dog is my co-pilot 2manybikes's Avatar
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    I have replaced brake shoes in coaster brake hubs, they do wear, but very slowly in most cases.
    [SIGPIC][/SIGPIC]

  9. #9
    Senior Member DieselDan's Avatar
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    Yes coaster brakes can wear out. I've replaced many brake shoes and brake springs in E-110 hubs. Granted, I manage a rental fleet of 450 beach crusiers that all use the same rear hub and get rode into the ground.

    As for Shimano Nexus, any part will wear out. I don't know if Shimano sells rebuild kits for these or not.
    Bikes use brakes to stop.

    If your bike has breaks, don't ride it.

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