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  1. #1
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    New question here. reducers for Prophet headset - swapping Lefty

    I'm swapping the Lefty Max 140 for a traditional 1 1/8 fork.
    Can I just use the current headset "cups" on my prophet, and just buy 1.5 reducers?

    Or do I need an entire new 1.5 reducer headset?

    thanks.

  2. #2
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    Two options:

    1- Buy a reducing headset that you press into the frame, not in the SI headset.
    2- Get 1.5 to 1.125" reducing cups and use a regular 1.125" headset.

    I might be wrong but I don't think there are reducing adaptors that will fit inside the SI headset and let you run a 1.125" fork right there... I think you are stuck with getting another headset. In that case, I would go with option 1, less parts, less creaks, less flex, less pressing to do.

    DAN.GEROUS.NET : MOUNTAIN BIKING : CYCLOCROSS : ROAD :

  3. #3
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    The Problem Solver reducers sit in the SI headset cups and from there you press in your new headset cups. They're not a press fit and i can disassemble the ones have by hand quite easily. Doesn't give me a warm fuzzy feeling with that much slop in the system.

    Get a reducing headset, less hassle and trouble
    Alea Jacta Est

  4. #4
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    I'm going to be converting from my lefty to a 1 1/8 fork also, but to be honest, I don't know exactly what all I'll need, can anyone tell me what I'll need and maybe suggest a few brands?

  5. #5
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    Cane Creek, FSA and E-Thirteen all make a reducing headset to get you from 1.5 to 1.125.

    Cane Creek also makes one called the Double XC for the older Cannondale's that have the a shorter press depth than the 1.5 standard calls for.
    Last edited by bbbr; 09-22-2007 at 02:09 PM.
    Alea Jacta Est

  6. #6
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    How much does it cost, roughly, to swap a lefty for a comparable regular fork?

  7. #7
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    Well, you have to buy a reducing head set, a new fork, and a new whell/hub because lefty uses some weird one.

  8. #8
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    Quote Originally Posted by Syndrome
    Well, you have to buy a reducing head set, a new fork, and a new whell/hub because lefty uses some weird one.
    Sorry for the dumb questions, but i'm new to all of this. About how much would that stuff cost? And would the brake calipers fit on a different fork, or would they need to be replaced? Thanks for the help.

  9. #9
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    Quote Originally Posted by F3caffeine
    Sorry for the dumb questions, but i'm new to all of this. About how much would that stuff cost? And would the brake calipers fit on a different fork, or would they need to be replaced? Thanks for the help.
    My leftover Lefty BB7 cable pull fit right on a Dirtjam pro front fork on my Chase. No mods. As far as pricing goes......I'm pretty sure you have access to the internet.

  10. #10
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    Would this work for Prophet?

    FSA Big Fat Pig - 1.5'' - 1-1/8'' Reducer Headset

    * The FSA The Big Fat Pig headset features a 21mm headtube insertion and is constructed of aluminum/CrMo.
    * Forged chromoly cups
    * 21mm headtube insertion
    * Chromoly crown race
    * Laser etched aluminum top cap
    * For 1.5" size
    * Stack height 16 + 13.5 = 29.5mm
    * Lower cup uses super durable 7/32" bearings
    * Weight 176 grams
    * Black anodized finish


    http://www.ride-this.com/FSA_Big_Fat...020210037.html

    (other than it is Out of Stock)

    Or any other not $100 reducer headsets?

  11. #11
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    Quote Originally Posted by nonojoe
    Would this work for Prophet?

    FSA Big Fat Pig - 1.5'' - 1-1/8'' Reducer Headset
    Yes.
    Any one point five headset will work in any newer C'dale frame.

  12. #12
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    Quote Originally Posted by nonojoe
    Would this work for Prophet?

    FSA Big Fat Pig - 1.5'' - 1-1/8'' Reducer Headset


    (other than it is Out of Stock)

    Or any other not $100 reducer headsets?
    Check out this link. The FSA Pig reducer is what I use. It's heavy; but so am I.

    http://www.universalcycles.com/shopp...7&category=502

  13. #13
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    Yes, I like that and the price is right!

  14. #14
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    Quote Originally Posted by rw420
    Yes.
    Any one point five headset will work in any newer C'dale frame.
    Can someone just qualify that? I though Cannondale head tubes were not 1.5 but some odd measurement like 1.56 or something daft..

    Could I reduce it with something like http://www.chainreactioncycles.com/M...?ModelID=25722

  15. #15
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    Quote Originally Posted by Karve
    Can someone just qualify that? I though Cannondale head tubes were not 1.5 but some odd measurement like 1.56 or something daft..

    Could I reduce it with something like http://www.chainreactioncycles.com/M...?ModelID=25722
    Cannondale uses a 1.5 headtube on all their current models. What you're thinking of is the difference between a 1.5 steerer tube and a Cannodale headshok/lefty steerer tube. Although the headtubes are the same, the forks and headsets are slightly different.

  16. #16
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    Quote Originally Posted by Karve
    Could I reduce it with something like http://www.chainreactioncycles.com/M...?ModelID=25722
    yes

  17. #17
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    Excellent.. thanks for clarifying that.. does make life a bit easier

  18. #18
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    Quote Originally Posted by Karve
    Excellent.. thanks for clarifying that.. does make life a bit easier
    I just had my head shock changed to a trip crown. The LBS charged me $40 for the reducing headset and $20 in labor. A lot of times I think I'm just better off letting the shop do the work.

  19. #19
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    triple crown?

    Quote Originally Posted by Coop
    I just had my head shock changed to a trip crown. The LBS charged me $40 for the reducing headset and $20 in labor. A lot of times I think I'm just better off letting the shop do the work.
    Triple crown on what...a Prophet?
    Isn't that a little overkill?
    What did you go with...Boxxer, 888???
    Just wondering, never saw a Prophet with a DH fork.

  20. #20
    Killer of Chains
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    Is there a difference between 1 1/2 headsets and 1.5 headsets?

    For Example:

    This one and one/half

    and

    This One point five.

  21. #21
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    No assuming you realise that one of your examples was a reducing headset to fit standard 11/8 steerer forks. What are you wanting to do?

  22. #22
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    I was hoping to use the Hope 1.5 stepdown headset http://www.chainreactioncycles.com/M...?ModelID=18085 in my 2006 Prophet, but Hope seem sure it will not work. Has anyone tried this headset in a prophet?

  23. #23
    Killer of Chains
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    I'm wanting to run my Pike instead of my Lefty.

  24. #24
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    Did hope say why it wouldn't work? Newer Cannondales (pretty sure this includes your prophet) run 1.5 standard headtubes. The older ones weren't designed to take the longer insertion specified for 1.5 headsets, hence the need for something shorter like the cane creek double xc short. But the newer frames are ok.

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