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  1. #1
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    New question here. Tool suggestion? (Procraft PRC CLR1 Center Lockring)

    I'm trying to figure out what tool to use to screw the lockring on the hub using the outer spline side.

    The inner side is used with the classic Shimano cassette lockring tool, but I cannot use it on my front wheel, as the thru-bolt adapter on my hub leaves no space for the Shimano tool to fit in.

    The outer ring has 12 slots/splines, and I have no idea what tool, if any, fits in there. The dimensions are visible on the screenshots.

    Thanks for any help!
    Attached Thumbnails Attached Thumbnails Tool suggestion? (Procraft PRC CLR1 Center Lockring)-dsc02386.jpg  

    Tool suggestion? (Procraft PRC CLR1 Center Lockring)-dsc02387.jpg  

    Tool suggestion? (Procraft PRC CLR1 Center Lockring)-dsc02388.jpg  


  2. #2
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    okay I may have found it: Yato Spline Socket, 27mm, YT-1478, Kernel Industrial Supplies

    any confirmations welcome

  3. #3
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    Maybe contact the manufacturer to see if the splines are there for any reason other than just looks?

    Shimano makes a separate centerlock lock ring for 15/20mm thru axle hubs. It's ~$40, sucks when you compare that to the price of the hubs themselves. Currently in the same boat with a front 20mm SLX hub on a wheelset I just picked up.

  4. #4
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    Pin spanner should work on the outside.

  5. #5
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    thanks guys.

    I ordered a "spline socket bit, 12 point, 27mm", will see how it goes. (It's a 1/2" square drive bit for my stronger torque key.)

    Spline socket, 1/2", 27mm, short

  6. #6
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    As a curiosity, I have a Shimano Saint hub on one of my bikes with a 20mm. thru axle on front which has a similar fitting front lock ring.

    Tool suggestion? (Procraft PRC CLR1 Center Lockring)-img_2500.jpg

    I'm not sure of the actual wrench size but I use a standard Park Tool external bottom bracket tool (BBT-19) on it.

    Tool suggestion? (Procraft PRC CLR1 Center Lockring)-57db126c3c542766aa04c5eacb365f0a3814a6a7_800x700.jpg
    The trouble with having an open mind is that people will insist on trying to put things in it.

  7. #7
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    Quote Originally Posted by Ronnie View Post
    As a curiosity, I have a Shimano Saint hub on one of my bikes with a 20mm. thru axle on front which has a similar fitting front lock ring.

    I'm not sure of the actual wrench size but I use a standard Park Tool external bottom bracket tool (BBT-19) on it.

    yeah, that BB tool also fits the DT-Swiss lockrings (on their "outer/outside ring") that came with the hubs.

    but this bling-lock-ring is a different case.. In about 6 days I will know if this tool is right for it, will post.

  8. #8
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    Quote Originally Posted by GTscoob View Post
    Maybe contact the manufacturer to see if the splines are there for any reason other than just looks?
    also, yep I tried to email the manufacturer as the very first thing, got no response however.. Was very hard to find the email in the first place, and it was an email for distributors. (service@ returned undeliverable)

  9. #9
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    This should work on the ID as there isn't anything on the inside of the tool to hang up on your adapter.

  10. #10
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    Pin spanner should work on the outside.

  11. #11
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    Quote Originally Posted by customfab View Post


    This should work on the ID as there isn't anything on the inside of the tool to hang up on your adapter.
    the inside is not a problem really, as the thru-axle/bolt can be taken out of the hub, the problem is the thickness of the tool ring - I think anything above .5mm (or maybe even less) is too thick - which, at that thickness any tool would be too weak.

  12. #12
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    Quote Originally Posted by Dirty $anchez View Post
    Pin spanner should work on the outside.
    Quote Originally Posted by vqcnasvj View Post
    Pin spanner should work on the outside.
    I can't use pin spanner with a torque key, or at least I don't know how. But it's a good suggestion / good to know anyway.

  13. #13
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    Quote Originally Posted by ypocat View Post
    the inside is not a problem really, as the thru-axle/bolt can be taken out of the hub, the problem is the thickness of the tool ring - I think anything above .5mm (or maybe even less) is too thick - which, at that thickness any tool would be too weak.
    I'm sure I would understand what your talking about if I had it in hand. But your description has me at a loss.

  14. #14
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    Quote Originally Posted by customfab View Post
    I'm sure I would understand what your talking about if I had it in hand. But your description has me at a loss.
    i will take a picture when i take the front wheel out the fork.

    It's not possible to use that, or any other cassette tool, because the space between the hub and the lockring is just too small.

  15. #15
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    so just to conclude this thread - the tool i ordered was almost good, except it the ends of the splines were beveled exactly opposite to the splines on the lockring:

    Tool suggestion? (Procraft PRC CLR1 Center Lockring)-dsc03390.jpg

    so I filed the edge down a bit, a quick, rough manual work:

    Tool suggestion? (Procraft PRC CLR1 Center Lockring)-dsc03392.jpg

    .. and I was able to tighten the lockring with it, although it's far from being perfect. So basically I would suggest to buy a different tool, although I don't know which one.

    Here's just to show the centerlock inner-splines vs. QR15 thru-bolt - there's simply no space for the cassette tool to slide in (this is a different lockring from the procraft one, but it's the same mechanism so it shows the point):

    Tool suggestion? (Procraft PRC CLR1 Center Lockring)-dsc03447.jpg

  16. #16
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    Quote Originally Posted by ypocat View Post
    So basically I would suggest to buy a different tool, although I don't know which one.
    I'm going to suggest to anyone that sees this thread in the future to, rather than buying a different tool, buy a different lockring.

    This Shimano lockring goes on with a standard external bearing BB tool:


    Here's one by DT Swiss as well:


    Both of these lockrings will work for 15mm and 20mm thru axles. Looks like you can barely squeeze your lockring around a 15mm axle . . .

  17. #17
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    Quote Originally Posted by GTscoob View Post
    I'm going to suggest to anyone that sees this thread in the future to, rather than buying a different tool, buy a different lockring.

    This Shimano lockring goes on with a standard external bearing BB tool:

    Here's one by DT Swiss as well:

    Both of these lockrings will work for 15mm and 20mm thru axles. Looks like you can barely squeeze your lockring around a 15mm axle . . .
    That is exactly what I posted and pictured in post #6 above.
    The trouble with having an open mind is that people will insist on trying to put things in it.

  18. #18
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    Yep except your pic shows it mounted and the tool you use without showing the actual lockring, good to see both the ring and the hub

  19. #19
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    I'm of course well aware of those lockrings as I got them with my dt swiss hubs. They are ugly as hell

  20. #20
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    Quote Originally Posted by ypocat View Post
    I'm of course well aware of those lockrings as I got them with my dt swiss hubs. They are ugly as hell
    That may be your opinion and you are entitled to it, however they are functional.
    The trouble with having an open mind is that people will insist on trying to put things in it.

  21. #21
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    Quote Originally Posted by Ronnie View Post
    That may be your opinion and you are entitled to it, however they are functional.
    This thread, however, was originally about a different lockring and about finding a way how to use it.

    (I hope you get I'm joking.)

    Yes, they are functional, and I'd actually use one this last time too, only if could find my Pedro's wrench that fits them. Of course I found that wrench after I went with the Procraft ones

  22. #22
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    The tool you ordered would be perfect if you faced it down on a lathe, 5 minute job

  23. #23
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    Quote Originally Posted by customfab View Post
    The tool you ordered would be perfect if you faced it down on a lathe, 5 minute job
    lathe is something i'd really like to have, actually i'll be looking for something like a combined multi-function device - lathe / drill / etc. - as i have a limited space currently. any hints appreciated.

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