Shimano Power Modulator (v brakes)- Mtbr.com
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  1. #1
    Devolution is real!
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    Shimano Power Modulator (v brakes)

    I found someone that is selling these Shimano Power Modulator things that go in front of the noodle on a V brake. I have no idea what they do and was wonder if anyone has used them.
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  2. #2
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    Save your money.
    It doesn't increase your braking power, it actually REDUCES your braking power.

    "More comfortable braking results from a spring-loaded power modulator (SM-PM40) on the cable guide that absorbs excess lever force to reduce the chances of accidental wheel lock-up"

    http://www.wiggle.co.uk/ProductDetai...4498&UberCat=0

  3. #3
    Meh.
    Reputation: XSL_WiLL's Avatar
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    There's a spring inside it. So when you pull the brake, it compresses the spring. It gives the brake a terrible mushy feeling. They're on a lot of comfort bikes so you don't grab a handful of front brake and go over the bars.

  4. #4
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    Used them in the late 90s. HATED them. Braking power reduced. Terrible, terrible, terrible product.

  5. #5
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    What was shimano thinking.........

    Thanks for the info guys.

  6. #6
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    They are so you don't go over the handlebars. On street most of your braking should be done on the rear wheel anyway. Actually they are a good idea but not for the technical rider who brakes independently on purpose.

  7. #7
    Out spokin'
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    Quote Originally Posted by Claudius2k View Post
    They are so you don't go over the handlebars. On street most of your braking should be done on the rear wheel anyway. Actually they are a good idea but not for the technical rider who brakes independently on purpose.
    Hello 2007! Anyone still employing V-brakes deserves these gizmos. Seriously, go disc brakes or go home.
    =sParty
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  8. #8
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    I'm Sparticus !

  9. #9
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    Shimano is funny that way. They try too hard to over think stuff.
    Remove that noodle spring!!!
    The noodle spring is kind of like the BH-59 road hydro hose they developed.
    They make it thin walled to expand and add that spongy lever feeling for road riders not used to proper brakes.
    Grrrr. Good thing you can use proper BH-90 mtn bike hose on road set up.

  10. #10
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    Quote Originally Posted by XSL_WiLL View Post
    They're on a lot of comfort bikes so you don't grab a handful of front brake and go over the bars.
    Which really makes no sense. How fast are people going on comfort bikes

  11. #11
    since 4/10/2009
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    Quote Originally Posted by dundundata View Post
    Which really makes no sense. How fast are people going on comfort bikes
    not terribly so. but it's pretty easy to see they don't exactly have the best bike handling skills. For that matter, it seems to me that most never use their front brake at all, anyway, because they grabbed a handful of front brake once and lost control.

  12. #12
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    SO do you guys think the OP is still riding that bike 11 years later?
    OG Ripley v2

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