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  1. #1
    Senior Member jish1969's Avatar
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    Indexing Suntour New Cyclone?

    My 1985 Miyata 710 comes equipped with the Suntour New Cyclone derailleurs, with friction shifters top-mounted on the down tube. I know many of you may think this is blasphemy, but I would like to know if there is a top-mounted Suntour indexed shifter set that will be compatible with my New Cyclone gear. I would really like to try this set-up so any thoughts would be much appreciated...
    1970 Paramount P-15, 1985 Miyata Seven-Ten, 198? Univega Gran Touring, 1984 ROSS Signature 292S, 2004 Diamondback Response

  2. #2
    Senior Member pcb's Avatar
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    There wasn't a "New Cyclone" model, so maybe you're talking about Cyclone MkII? If so, the rear derailleur is not supposed to be index-compatible, the freewheel probably isn't spaced to indexed tolerances and ideally you'd want a later chain. You should be able to switch levers without a problem, you'll need indexed levers that don't have the curved housing built-in. Lots of folks seem to have gotten non-indexed parts to index, so it may work for you.

    The Cyclone 7000 series were index-compatible, if that's what you have then it may work OK just by switching to indexed shifters.

  3. #3
    DRF aka Thrifty Bill wrk101's Avatar
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    +1 Cyclone 7000 was the index version, not familiar with any indexed Suntour shifters that were top mount (single bolt). Now some of the single bolt top mounted Suntour shifters were attached via a band around the DT. If so, then you can probably replace them with traditional DT shifters. If yours has the boss on the DT, then you can still use standard banded DT shifters, but it will look kind of crappy.
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  4. #4
    Senior Member jish1969's Avatar
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    Suntour New Cyclone is what they're called in the 1985 catalog stat sheet, so I was just going with that, but yes, Cyclone is all that is written on the deraillers. They're actually the Cyclone 6000 series, as a quick jump to Disraeli Gears has taught me. That's a bummer though, I would like to try it but I do not want to drastically change the bike as it is mostly original(except for the brake levers).
    THE NEW MIYATA 005.jpg
    1970 Paramount P-15, 1985 Miyata Seven-Ten, 198? Univega Gran Touring, 1984 ROSS Signature 292S, 2004 Diamondback Response

  5. #5
    old and fixed... clubman's Avatar
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    Quote Originally Posted by jish1969 View Post
    My 1985 Miyata 710 comes equipped with the Suntour New Cyclone derailleurs, with friction shifters top-mounted on the down tube. I know many of you may think this is blasphemy, but I would like to know if there is a top-mounted Suntour indexed shifter set that will be compatible with my New Cyclone gear. I would really like to try this set-up so any thoughts would be much appreciated...
    From what I understand there was a Superbe Pro top mount shifter set for Accushift 7 speed (you have a 6?)and I've been looking for a set for years but have come up empty. The next best solution is to find the equally rare top mount cable stop, which I can't find either.



    Failing that, you can remove the shifters and put a little silicone in the top boss thread to protect it and touch up the paint. It doesn't look too silly, especially when you then attach a clamp on Suntour cable stop and source a set of Accushift 7 or 6 speed bar con shifters. They do come up for sale every once in awhile.

    If it's a 6 speed I think you can use also use hyper/uniglide cassettes. A 7 speed system will require the Suntour Accushift freewheel and a good chain.

    edit...come to think of it, don't bother with indexing...Thrifty Bill is right. You need the 7000 series but friction Bar cons are always a nice idea in my part of the world!
    Last edited by clubman; 08-20-12 at 08:56 PM.

  6. #6
    DRF aka Thrifty Bill wrk101's Avatar
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    Nice bike! Check that fork.
    See some of my bikes on facebook: http://www.facebook.com/BillsVintageSteelBikes

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  7. #7
    Senior Member Captain Blight's Avatar
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    FWICT, Cyclone 5000/Alpha 5000 and higher are the same derailleur as the Superbe RD-00, save for finish and grace notes. The dimensions are exactly the same.

    I want that cable stop.
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  8. #8
    Senior Member jish1969's Avatar
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    That fork is a result of a late night group ride a few weeks ago; bent it a little but its still perfectly balanced... It has a date with the LBS, but I have been debating sourcing a new one of those as well...
    Last edited by jish1969; 08-21-12 at 11:52 AM.
    1970 Paramount P-15, 1985 Miyata Seven-Ten, 198? Univega Gran Touring, 1984 ROSS Signature 292S, 2004 Diamondback Response

  9. #9
    DRF aka Thrifty Bill wrk101's Avatar
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    Good luck with the LBS straightening the fork. I could not find one to do it around here. They were all scared with the liability. I ended up doing it myself, not a big deal, and I would much rather have the matching fork on that bike, than a generic chrome replacement.
    See some of my bikes on facebook: http://www.facebook.com/BillsVintageSteelBikes

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  10. #10
    MIKE is my name! puchfinnland's Avatar
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    dont know if this is any use to you people but I saw this for sale on tuesday....
    20€
    http://www.pyoratohtori.fi/old_japan...cing_parts.htm



    My name is Michael, and I am a recovering bike addict, It has been 11 months since I purchased a bicycle for myself..
    (Im bound to fall off the wagon again, its just a matter of time)
    Lord help me!

    "Some cream crackers, a glue *** and a little imagination can turn any domestic cat into a fearsome Stegosaurus."

  11. #11
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    Quote Originally Posted by pcb View Post
    There wasn't a "New Cyclone" model, so maybe you're talking about Cyclone MkII? If so, the rear derailleur is not supposed to be index-compatible...
    I run a Suntour Vx rear derailleur with SunTour Accushift levers in index mode with no problems. I doubt you will have a problem with a Cyclone MkII.

    S

  12. #12
    If I own it, I ride it CV-6's Avatar
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    Quote Originally Posted by smontanaro View Post
    I run a Suntour Vx rear derailleur with SunTour Accushift levers in index mode with no problems. I doubt you will have a problem with a Cyclone MkII.

    S
    I ran a V-GT Luxe with GPX index shifters for several years, using an Ultra 6 freewheel. Worked fine. I think the key is having an adjuster inline to fine tune it.
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