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  1. #1
    K2ProFlex baby! ilikebikes's Avatar
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    drilled chainrings

    I got these today of off a cool guy here in Philly, there are no markings anywhere on the rings? any ideas?


    You see, their morals, their code...it's a bad joke, dropped at the first sign of trouble. They're only as good as the world allows them to be. I'll show you. When the chips are down, these...These "civilized" people...they'll eat each other. See, I'm not a monster. I'm just ahead of the curve

  2. #2
    . bbattle's Avatar
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    You bought them from somebody from weightweenies.com?

  3. #3
    Papa Wheelie Sigurdd50's Avatar
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    Drillium

    a crazy way to trim a few grams off your bike weight

    I think it might have been sort of DIY

    I have a set of brake levers that are drilled out... I can hear the wind whistling there, giving me .00235 extra miles per hour back to my commute
    Last edited by Sigurdd50; 09-21-07 at 02:27 PM.

  4. #4
    Senior Member howsteepisit's Avatar
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    I remember when this was all the rage in the mid 70's. But you have to do a slight countersink on all those holes or the chain rings will stress crack.
    Recycle, Reclaim, Reuse and Repair
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  5. #5
    K2ProFlex baby! ilikebikes's Avatar
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    My response would have been something along the lines of: "Does your bike have computer controlled suspension? Then shut your piehole, this baby is from the future!"
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    I just like the look of drilled chainrings on a bike, trust me, I am in no way a weightweenie!
    You see, their morals, their code...it's a bad joke, dropped at the first sign of trouble. They're only as good as the world allows them to be. I'll show you. When the chips are down, these...These "civilized" people...they'll eat each other. See, I'm not a monster. I'm just ahead of the curve

  6. #6
    Senior Member tjspiel's Avatar
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    It wasn't all DIY. My Peugeot came with drilled chainrings

    aesthetics/color choice question

  7. #7
    Prodigal road guy MajorA's Avatar
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    [QUOTE=tjspiel;5310652]It wasn't all DIY. My Peugeot came with drilled chainrings

    +1 ... I've got a set of from-the-factory Sugino drillium rings.

    But it gets worse:

    http://www.velo-retro.com/Spivey%20j...iveyCranks.jpg

  8. #8
    K2ProFlex baby! ilikebikes's Avatar
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    My response would have been something along the lines of: "Does your bike have computer controlled suspension? Then shut your piehole, this baby is from the future!"
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    Quote Originally Posted by tjspiel View Post
    It wasn't all DIY. My Peugeot came with drilled chainrings

    aesthetics/color choice question
    Yup, my Peugeot had them too.
    You see, their morals, their code...it's a bad joke, dropped at the first sign of trouble. They're only as good as the world allows them to be. I'll show you. When the chips are down, these...These "civilized" people...they'll eat each other. See, I'm not a monster. I'm just ahead of the curve

  9. #9
    Senior Member Grand Bois's Avatar
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    I'd like to put one of these on my Px10! I'd feel better about bidding on it if someone could tell me the correct BB spindle length for them!

    http://cgi.ebay.com/CRANKSET-STRONGL...QQcmdZViewItem

  10. #10
    Senior Member wahoonc's Avatar
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    I have seen them on a Zeus from that era (early/mid 70's) too. In fact most of the hard core racers of that era tried drilling stuff...at least once

    Aaron
    Webshots is bailing out, if you find any of my posts with corrupt picture files and want to see them corrected please let me know. :(

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  11. #11
    feros ferio John E's Avatar
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    Those look like Stronglights. A 122mm BCD would clinch the identity.

    My 1980 Peugeot PKN-10E came with factory-drilled Stronglight 52-42 chainrings.
    "Early to bed, early to rise. Work like hell, and advertise." -- George Stahlman
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  12. #12
    Senior Member
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    Dirtdrop,
    I am putting a Stronglight 99bis 'drillium' triple crankset (52/48/36) on my Peugeot UE8 (I had other plans for the bike, but changed my mind). I currently have a TA 116.5 mm spindle made for a double and may have to switch to a TA 120 or 123.5 mm made for a triple. Sheldon Brown suggested I first try the double spindle before purchasing a replacement. I am planning to use the original Simplex Prestige front derailleur and see how it goes. Sheldon also suggested I read his chainline article http://www.sheldonbrown.com/chainline.html. If you want to wait, I will let you know how it works out for me in a week or two. The triple on EBay that you are looking at is one of the nicest I have seen.
    Cheers,

    Quote Originally Posted by Dirtdrop View Post
    I'd like to put one of these on my Px10! I'd feel better about bidding on it if someone could tell me the correct BB spindle length for them!

    http://cgi.ebay.com/CRANKSET-STRONGL...QQcmdZViewItem

  13. #13
    Senior Member Homebrew01's Avatar
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    Quote Originally Posted by wahoonc View Post
    I have seen them on a Zeus from that era (early/mid 70's) too. In fact most of the hard core racers of that era tried drilling stuff...at least once

    Aaron
    I never did !

  14. #14
    Senior Member
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    The Peugeot catalogs that I have show the drillium chainrings being used in the late 70s to early 80s. The Wannado Peugeot Show (http://home.wanadoo.nl/peugeotshow/) shows them as early as 1977. I am curious to know when Stronglight first produced these.


    Quote Originally Posted by Homebrew01 View Post
    I never did !

  15. #15
    Who cares, just ride it!
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    Those rings are NOT for a Stronglight 93 or 99. They are for a Sugino GT or similar, bolt circle diameter 110mm. I have them on my Nishiki International, though they were originally on a Nishiki Continental that I have since sold.
    N-1 is my long-term goal

  16. #16
    Senior Member
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    Good point, I apparently overlooked that companies other than Stronglight could be drilling chainrings. I am still curious to know when Stronglight began drilling their chainrings.


    Quote Originally Posted by Leigh30 View Post
    Those rings are NOT for a Stronglight 93 or 99. They are for a Sugino GT or similar, bolt circle diameter 110mm. I have them on my Nishiki International, though they were originally on a Nishiki Continental that I have since sold.

  17. #17
    Senior Member ozneddy's Avatar
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    "I luv my drillium"

  18. #18
    Senior Member ozneddy's Avatar
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  19. #19
    Senior Member Grand Bois's Avatar
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    Quote Originally Posted by twsindypa View Post
    Dirtdrop,
    I am putting a Stronglight 99bis 'drillium' triple crankset (52/48/36) on my Peugeot UE8 (I had other plans for the bike, but changed my mind). I currently have a TA 116.5 mm spindle made for a double and may have to switch to a TA 120 or 123.5 mm made for a triple. Sheldon Brown suggested I first try the double spindle before purchasing a replacement. I am planning to use the original Simplex Prestige front derailleur and see how it goes. Sheldon also suggested I read his chainline article http://www.sheldonbrown.com/chainline.html. If you want to wait, I will let you know how it works out for me in a week or two. The triple on EBay that you are looking at is one of the nicest I have seen.
    Cheers,
    That's the kind of first-hand experience I was hoping for. Somebody sold off some French thread Stronglight bottom brackets made for triples on eBay about a month ago. I wish I had bought one!

    I think you'll be asking too much of that Prestige FD!

    Please let me know how it comes out.

  20. #20
    Senior Member
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    According to one of Sheldon's articles, a double derailleur coupled with a 52/48/36T chainring combination should work best. I think that's the idea between the small drop between the two outer rings. I will let you know how it works out. I can always convert the crankset to a 48/36T double if it does not shift well as a triple.


    Quote Originally Posted by Dirtdrop View Post
    That's the kind of first-hand experience I was hoping for. Somebody sold off some French thread Stronglight bottom brackets made for triples on eBay about a month ago. I wish I had bought one!

    I think you'll be asking too much of that Prestige FD!

    Please let me know how it comes out.

  21. #21
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    My mid/early 80's Nishiki Olympic 12 had these exact chainrings - Sugino RT...
    Attached Images Attached Images

  22. #22
    K2ProFlex baby! ilikebikes's Avatar
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    My response would have been something along the lines of: "Does your bike have computer controlled suspension? Then shut your piehole, this baby is from the future!"
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    Quote Originally Posted by McDave View Post
    My mid/early 80's Nishiki Olympic 12 had these exact chainrings - Sugino RT...
    Those certainly look just like mine Thanks! my wifes fixie has the Sugino VP, maybe Ill slap the smaller chainring on her bike, if anything it will at least look nice!
    You see, their morals, their code...it's a bad joke, dropped at the first sign of trouble. They're only as good as the world allows them to be. I'll show you. When the chips are down, these...These "civilized" people...they'll eat each other. See, I'm not a monster. I'm just ahead of the curve

  23. #23
    K2ProFlex baby! ilikebikes's Avatar
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    My response would have been something along the lines of: "Does your bike have computer controlled suspension? Then shut your piehole, this baby is from the future!"
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    OK, heres where the smaller chainring has ended up, my wifes fixie, as I said, looks cool! and two more pics of my tart of a dog sleeping as usual (you gotta love him!)


    You see, their morals, their code...it's a bad joke, dropped at the first sign of trouble. They're only as good as the world allows them to be. I'll show you. When the chips are down, these...These "civilized" people...they'll eat each other. See, I'm not a monster. I'm just ahead of the curve

  24. #24
    . bbattle's Avatar
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  25. #25
    Senior Member Grand Bois's Avatar
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    I wish I could read the lenth on that spindle!

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