Barrel Adjuster or Cable adjusting bolt unit for Ultegra brake
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  1. #1
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    Barrel Adjuster or Cable adjusting bolt unit for Ultegra brake

    So i was re doing the housing and cable on my bike and ran into an issue. The housing (even-though labeled 5mm) is actually 5.2mm without the ferrules So the cable housing wont slide into the barrel adjuster for a secure fit (Standard shimano barrels are for 5mm). I went to the bike shop and found that the cable (with or without ferrules) will fit into a 6mm barrel adjuster but they didnt have any that would fit the threads of my shimano ultegra 6700 brake. Any ideas of where i can get either a 6mm shimano barrel adjuster or some sort of adaptor??

    My issue: doesn't go into brake adjuster even without the ferrule
    photo.jpg

    I need this but 6mm
    Screen Shot 2013-08-05 at 3.07.53 PM.png

    Thanks for your help!

  2. #2
    la dolce vita
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    Have you checked to see if you are using brake housing and not shifter housing? The brake is a larger diameter. I mixed the two one time with results similar to what you are experiencing.
    insert witty comment here

  3. #3
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    Yes i am very sure brake housing is thicker usually 5mm and shifter housing is usually 4mm. My issue is that my brake housing is 5.2mm and it is just slightly too big to slide that 1/2cm into the brake cable adjuster to allow a secure fit.

  4. #4
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    You could check on the Jagwire POP ferrules. They are a step down design that fit perfectly into 6700 caliper adjusters. I am not sure what sizes they come in for the housing end though. They fit Jagwire housings perfectly.

  5. #5
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    Quote Originally Posted by zeli0040 View Post
    So i was re doing the housing and cable on my bike and ran into an issue. The housing (even-though labeled 5mm) is actually 5.2mm without the ferrules So the cable housing wont slide into the barrel adjuster for a secure fit (Standard shimano barrels are for 5mm). I went to the bike shop and found that the cable (with or without ferrules) will fit into a 6mm barrel adjuster but they didnt have any that would fit the threads of my shimano ultegra 6700 brake. Any ideas of where i can get either a 6mm shimano barrel adjuster or some sort of adaptor??

    My issue: doesn't go into brake adjuster even without the ferrule
    Thanks for your help!
    Neatly trim the plastic off the cable housing where it will go into the barrel adjuster. And next time use stock casing.

  6. #6
    Not a rocket surgeon.
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    Ditch the cable housing end cap. Not needed on Shimano brakes.

  7. #7
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    I just ordered some Hope they work thanks for the advise!

  8. #8
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    You ordered what, POP ferrules? What type of brake housing are you using?

  9. #9
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    I ordered Jagwire pop ferrules i have Yokozuna compressionless cables as i understood from reading about the POP ferrules they are for compressionless brake cables or for reinforced housing.

  10. #10
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    The POP ferrules came! they worked perfectly! snugly fit on the compressionless cables and then narrowed down to also fit into the brake caliper barrels! Thanks davcruz!


    photo 1.jpgphoto 2.jpgphoto.jpg

  11. #11
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    Glad they worked out for you, they really do fit the new Shimano brakes perfectly!

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