Replace NDS Spoke Fulcrum/Campy
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  1. #1
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    Replace NDS Spoke Fulcrum/Campy

    Haven't seen any love for this topic in wheels and tires. So becaause it seems wrenching may be involved. I asked this regarding a Fulcrum Racing 5 rear wheel, but other Campy wheels may be the same.

    Fulcrum Racing 5 - Broken Spoke

    Does anyone have a source for instructions for replacing a rear NDS spoke on a Fulcrum Racing 5 wheel? I have not been able to find anything on the Fulcrum website.

    I have replaced a rear DS spoke on this wheelset before. Once your able to find a replacement spoke and remove the cogs, it just drops in turns and locks the head into place but with the NDS removing the remnants seems to be more complex and it doesn't look like the replacement spoke just drops in, twists and locks.

    I guess my #1 concern is that it looks like the hub has to be broken down for the straight "T" head of the spoke to clear the cone adjuster with the lateral hex screw.

    Make sense? Very odd that you have to throw the rear wheel bearings out of adjustment just to be able to slide a new spoke in.

  2. #2
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    Take a look at this:

    https://www.campagnolo.com/media/fil...nolo_12_12.pdf

    Racing 5 is essentially a Vento Asymmetric without G3 lacing, so the instructions here should apply. It doesn't explicitly show spoke replacement, but it does show how to disassemble the NDS side spacer. Are you sure that this wheel has cup/cone bearing? What MY is your wheel?

  3. #3
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    Thanks, Nova. I think that is the right direction. MY Fulcrum Racing 5 rear wheel is a 2014 model. What surprises me is that I was able to replace a DS spoke very easily once the cogs were removed, but clearly this NDS spoke is going to require removing part of the hub/axle.

  4. #4
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    Your really shouldn't need to disassemble/remove the Axle/hub. From looking at my Fulcrum Racing 5 rear wheel. It appears to me if you unscrew the locking bearing dust cap you will have free access to remove/replace the straight pull spoke(s) with no issues.


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  5. #5
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    Locking bearing/dust cap meaning the collar with the 4mm perpendicular screw? 2 turns of the hex head screw should allow me to move this, or is there more I need to do?

  6. #6
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    Quote Originally Posted by GKSki View Post
    Locking bearing/dust cap meaning the collar with the 4mm perpendicular screw? 2 turns of the hex head screw should allow me to move this, or is there more I need to do?
    Yes, first loosen the hex screw, then back out the collar by turning it CCW.

  7. #7
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    Thanks. One last thing. This does disturb the bearing adjustment, correct? The collar will need to be returned to its original position and adjusted for bearing play?

    I am just amazed that replacing a spoke nowadays disturbs hub bearing adjustment.

  8. #8
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    Quote Originally Posted by GKSki View Post
    Thanks. One last thing. This does disturb the bearing adjustment, correct? The collar will need to be returned to its original position and adjusted for bearing play?

    I am just amazed that replacing a spoke nowadays disturbs hub bearing adjustment.
    I believe these wheels have sealed cartridge bearings, so the collar should NOT affect bearing adjustments. At most, the collar can only affect the bearing pre-load. After you loosen the hex, just get a feel on how tight the collar is, and then on reinstall, just get it close to that tightness and it should be fine. Since you are in there, might as well clean/check/grease the bearing. Fulcrum/Campy hubs are actually quite easy to service.

  9. #9
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    Quote Originally Posted by GKSki View Post
    I am just amazed that replacing a spoke nowadays disturbs hub bearing adjustment.
    Three decades ago I had a set of Hi-E hubs that we’re pretty slick at that time. If you needed to replace the bearings (freewheel hub, not free hub) you had to completely de-tension the spokes.

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