Rear disc brake mount durability- Mtbr.com
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  1. #1
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    Rear disc brake mount durability

    Hi guys! Recently i bought Mongoose Switchback Comp 2016. Mongoose | Switchback® Comp
    At some point i've noticed some kind of a strut under the rear brake mount of this bike Mongoose | Tyax 27.5 Comp. My bike doesn't have one. I'd like to know if this is a real necessity which keeps my rear triangle from breaking or just a marketing thing?

  2. #2
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    Its fine....go ride it.
    Bicycles don’t have motors or batteries.

    Ebikes are not bicycles

  3. #3
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    I dont know what you mean by strut. All I know is the brake difference is that you have mechanical disc brakes and the other is a hydraulic
    Cheap people buy things twice

  4. #4
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    Quote Originally Posted by fatcat View Post
    I dont know what you mean by strut. All I know is the brake difference is that you have mechanical disc brakes and the other is a hydraulic
    By strut I mean a vertical brace which connects top and bottom tubes next to brake mount https://brimages.bikeboardmedia.netd...ive-29er05.jpg

  5. #5
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    Quote Originally Posted by mtnbikej View Post
    Its fine....go ride it.
    Of course, but i'm curious. Anyway thx for response.

  6. #6
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    That has nothing to do with the brakes, its just a frame design. Here's a pic of my carbon fiber $7,000 hardtail , notice the rear triangle doesn't have that thing you call on a 'strut' on it either. And thats a 203mm rotor.
    Attached Thumbnails Attached Thumbnails Rear disc brake mount durability-dsc07561.jpg  

    Cheap people buy things twice

  7. #7
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    Oh my. Looks good! It's a carbon frame though, hence stiffer, i guess. But you convinced me not to worry about this problem.

  8. #8
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    Note difference in the way the seat stay joins the chainstay at the rear dropout on the two bikes. The junction looks flimsier on the bike with the brace, possibly necessitating the brace.
    Do the math.

  9. #9
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    The kinuter junction
    A bad day of cycling is better than a good day at work

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  10. #10
    BOOM goes the dynamite!
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    Of all the things to worry about on a mongoose, that's not one.

  11. #11
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    ^^^ I'm sorry, but that made me laugh.
    A bad day of cycling is better than a good day at work

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  12. #12
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    Quote Originally Posted by noapathy View Post
    Of all the things to worry about on a mongoose, that's not one.
    yeesh, you're a thunderstorm on someone's wedding day
    Cheap people buy things twice

  13. #13
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    Quote Originally Posted by fatcat View Post
    yeesh, you're a thunderstorm on someone's wedding day
    Close. More like the weather reporter standing in the hurricane in this case.

  14. #14
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    Quote Originally Posted by fatcat View Post
    That has nothing to do with the brakes...
    Yes it has. That's why the strengthening rib is only on the brake side.

    My guess is that if it was totally unnecessary they would not have bothered adding it.

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