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Thread: King rear hubzzz

  1. #1
    This space for rent davem's Avatar
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    King rear hubzzz

    I've got this friend with a King rear hub, and, well, he has this problem. Seems that the freewheel has enough friction that when coasting, his chain gets slack at the top, allowing it to frequently jump to the granny ring. Would he need the King tools to pull the hub apart enough to get at the likely gummy parts, or is this a home service problem?
    "all will tremble at the crack of our eggs and the hush of our two-ply toilet papers" - Strongbad

  2. #2
    MoJo Mother Superior Disco Stu's Avatar
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    Quote Originally Posted by davem
    I've got this friend with a King rear hub, and, well, he has this problem. Seems that the freewheel has enough friction that when coasting, his chain gets slack at the top, allowing it to frequently jump to the granny ring. Would he need the King tools to pull the hub apart enough to get at the likely gummy parts, or is this a home service problem?
    The first step is to admit you have a problem....

  3. #3
    boring the Inbred's Avatar
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    how long since it's last cleaning? general maintenance can be done at home with 2 5mm wrenches. i'd like to hear carlos' thoughts on using their grease in the bearings (not on the Ring Drive) versus Phil's.

  4. #4
    The William Sapphire of Bike Mechanics
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    davem...your friend possibly needs to clean out the hubs.....but in most cases, if you remove the driveshell and lay a light application of a light oil on the single o-ring on the driveshell, that should free it up. this doesn't require any special tools, just two 5 mm hex keys to loosen the axle cap. then tug a bit on the cassette...when it comes out, you'll see the 0-ring on the shell. if this doesn't free up the hub, then it's time for a cleaning.



    although, it wouldn't be a bad idea to inspect the driveshell helical splines for wear (in the form of notching as well as the Ring Drive lubricant to make sure it is still in good condition.

    if the driveshell looks like this, it's time for a new driveshell.




    the Inbred...the last time his friend's hub was cleaned out, was at Mojo Fest.

    as for the bearings. King's stock grease for headset and hubset bearings (only bearings) is Rock N Rolls Red Devil grease.

    i've used that on ever King hub i've serviced. works very well, stays put, and is VERY water proof. i've also had good luck with Ritchey's, weird blue color, bearing grease, and of course, Phil's Waterproof grease.

    as for Phil's oil....i've used it a few times on the Ring Drive and it usually just puddled in the hub shell. used it on the bearings and didn't stay put for more than a few rides.

    Ring Drive grease isn't ideal for the bearings. it's not very thick and not very sticky.

    grease for the bearings is still best. ring Drive grease for the ring drive and needle bearings.
    It’s impossible to rate welding/brazing quality by looking at a finished frame joint, even an unpainted one. Files, sandblasting, and a good paint job can take care of that. Such a joint will look stellar unpainted, but won’t last. Yet people all the time look at frames and say, “Nice welding/brazing…” The point isn’t to make you paranoid, just to stop saying things like, “That’s nice welding/brazing,” when you see a painted/unpainted frame. -- Grant Petersen

  5. #5
    This space for rent davem's Avatar
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    Thanks Car!os. I feels like it could be a dry O-ring. I'll print up a copy of the service manual and give it a whirl this weekend. My friend has offered to buy the beer if I'll clean up his bike a bit.
    "all will tremble at the crack of our eggs and the hush of our two-ply toilet papers" - Strongbad

  6. #6
    The William Sapphire of Bike Mechanics
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    davem.....beer? no! Nightrain. YES!

    hope all goes well.
    It’s impossible to rate welding/brazing quality by looking at a finished frame joint, even an unpainted one. Files, sandblasting, and a good paint job can take care of that. Such a joint will look stellar unpainted, but won’t last. Yet people all the time look at frames and say, “Nice welding/brazing…” The point isn’t to make you paranoid, just to stop saying things like, “That’s nice welding/brazing,” when you see a painted/unpainted frame. -- Grant Petersen

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    This space for rent davem's Avatar
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    Thanks Car!os, good info all around. It was the driveside outer bearing that was all gunked up. Looks like it's time for a new drive shell too...
    "all will tremble at the crack of our eggs and the hush of our two-ply toilet papers" - Strongbad

  8. #8
    The William Sapphire of Bike Mechanics
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    davem...you mean...it's time for your friend to buy a new driveshell?

    800.523.6008
    It’s impossible to rate welding/brazing quality by looking at a finished frame joint, even an unpainted one. Files, sandblasting, and a good paint job can take care of that. Such a joint will look stellar unpainted, but won’t last. Yet people all the time look at frames and say, “Nice welding/brazing…” The point isn’t to make you paranoid, just to stop saying things like, “That’s nice welding/brazing,” when you see a painted/unpainted frame. -- Grant Petersen

  9. #9
    This space for rent davem's Avatar
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    Quote Originally Posted by car!os
    davem...you mean...it's time for your friend to buy a new driveshell?

    800.523.6008
    Yes, yes, my friend needs a new drive shell. Good thing it's not me, those things are pricey.
    "all will tremble at the crack of our eggs and the hush of our two-ply toilet papers" - Strongbad

  10. #10
    This space for rent davem's Avatar
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    Quote Originally Posted by car!os
    ...
    as for the bearings. King's stock grease for headset and hubset bearings (only bearings) is Rock N Rolls Red Devil grease.

    i've used that on ever King hub i've serviced. works very well, stays put, and is VERY water proof. i've also had good luck with Ritchey's, weird blue color, bearing grease, and of course, Phil's Waterproof grease.

    as for Phil's oil....i've used it a few times on the Ring Drive and it usually just puddled in the hub shell. used it on the bearings and didn't stay put for more than a few rides.

    Ring Drive grease isn't ideal for the bearings. it's not very thick and not very sticky.

    grease for the bearings is still best. ring Drive grease for the ring drive and needle bearings.
    Oh yeah, it was the outer, drive side bearing that was all gunked up. Seemed to come clean and run smooth.

    STEEL drive shell (and a selection of seals) should arrive today.

    I've had no luck finding the Red Devil grease. Where did you find it?

    I had a long chat with the CKG folks, they swore up and down to use ring drive grease on the bearings too.
    "all will tremble at the crack of our eggs and the hush of our two-ply toilet papers" - Strongbad

  11. #11
    boring the Inbred's Avatar
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    i was looking for R&R Red Devil and could only find it at R&R's website ($5.99/ 4oz direct order).

  12. #12
    The William Sapphire of Bike Mechanics
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    davem....suyre...i'm sure ring drive grease works fine for the bearings. i've just not had good luck with it staying in place.

    but of the times i've spoken to the person who knows Kings best (Jen...who knows more details about Kings than i ever thought possible) she's said the grease has to be thick enough to stay put, but not so thick as to cause drag. and they have had the best luck with Red Devil.

    but, of course, the ring drive grease won't damage the hubs so if it's al that's available, then it's not a problem.

    as for where to get Red Devil....it's part of the Rock N Roll product line but, as with smaller labels, not very many shops carry it.

    although, the Rock N Roll Red Devil really seems to work best for bearing applications. it's a bit much for bolts and seatposts.
    It’s impossible to rate welding/brazing quality by looking at a finished frame joint, even an unpainted one. Files, sandblasting, and a good paint job can take care of that. Such a joint will look stellar unpainted, but won’t last. Yet people all the time look at frames and say, “Nice welding/brazing…” The point isn’t to make you paranoid, just to stop saying things like, “That’s nice welding/brazing,” when you see a painted/unpainted frame. -- Grant Petersen

  13. #13
    MoJo Bishop fore's Avatar
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    Quote Originally Posted by car!os
    although, the Rock N Roll Red Devil really seems to work best for bearing applications. it's a bit much for bolts and seatposts.
    you read my mind.. at work the only time i dig into the red devil is for bearings, everything else gets park polylube, the green stuff.

    i just wish i could find a way to use the red devil stuff without making such a mess. i've got little red streamers running every which way on my workbench around the tub.

  14. #14
    The William Sapphire of Bike Mechanics
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    fore....try some syringes.....30cc. they aren't just for speedballs and china white anymore.


    thanks to Weeg for that one.
    It’s impossible to rate welding/brazing quality by looking at a finished frame joint, even an unpainted one. Files, sandblasting, and a good paint job can take care of that. Such a joint will look stellar unpainted, but won’t last. Yet people all the time look at frames and say, “Nice welding/brazing…” The point isn’t to make you paranoid, just to stop saying things like, “That’s nice welding/brazing,” when you see a painted/unpainted frame. -- Grant Petersen

  15. #15
    MoJo Bishop fore's Avatar
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    i'll keep that in mind. i didn't think that stuff would work it's way through a syringe.

    then again, if i get this new job, i won't be finding myself inside a hub nearly as often as i do now.

  16. #16
    The William Sapphire of Bike Mechanics
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    fore....i mean...a rig/plunger/cuete without the hypodermic needle.
    It’s impossible to rate welding/brazing quality by looking at a finished frame joint, even an unpainted one. Files, sandblasting, and a good paint job can take care of that. Such a joint will look stellar unpainted, but won’t last. Yet people all the time look at frames and say, “Nice welding/brazing…” The point isn’t to make you paranoid, just to stop saying things like, “That’s nice welding/brazing,” when you see a painted/unpainted frame. -- Grant Petersen

  17. #17
    MoJo Bishop fore's Avatar
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    of course.

    i've got one right here in the heel of my shoe.

  18. #18
    700 Acres Pusher
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    Quote Originally Posted by car!os
    if the driveshell looks like this, it's time for a new driveshell.



    That looks suspiciously familiar....
    BikeMojo.com Foreign Affairs Bureau Chief

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