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  1. #1
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    Spitfire - zero stack headset

    Quick question. Does anyone know the inside diameter's of the Spitfires headtube? I know its tappered, just trying to find the right ZeroStack headset for the upper and lower. Looking at Canecreek's web site and getting a little confused. Thanks .
    JRA

  2. #2
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    You need a ZS44 top and ZS49 for the lower. The inner diameter of the lower depends on whether you're using a straight 1 1/8" or tapered steerer.
    "Don't feel bad. A lot of people have no talent"

  3. #3
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    Thanks for the help. Looked over the geo chart again and found the inner dimentions. I'm limited by having a tapered steer tube. So no zero stack will fit a 49 inner dia tube, have to go with a traditional lower.
    JRA

  4. #4
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    FSA makes a cheap flush headset that allows for a tapered steerer to be used with the Spitfire, but you will need something else for the upper, as it is made for a straight 1 1/2 steerer and 49mm straight head tube. It's an open bearing design but it worked alright for me.

  5. #5
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    Thanks coiler. I looked thru FSA tech data sheet for all the internal headsets. I found the 1.5 cups, but all the bearings are set for a 11/8 steerer. Would you happen to have a link for this lower your talking about? Thanks.
    JRA

  6. #6
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    Got it: its the Gravity 2 = Lower cup is 49.5 inside dia. with a crown of 39.8. Sweet.
    JRA

  7. #7
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    This is the one I used:
    Universal Cycles -- FSA Orbit E Headset

  8. #8
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    So i can run my Tapered steerer in my tapered headtube with this Lower?

  9. #9
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    Yep, and that headset will come with two sets of bearings and seals, you will only be able to use the lower set, so you'll have spares! On mine, the caged bearing in the lower out lasted two Cane Creek cartridge bearings in the upper!

  10. #10
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    Thanks. Got the FSA 1.5 Orbitz E coming and a Cane Creek 11/8 zero stack for the upper. Can't wait to ride this new to me spitfire.
    JRA

  11. #11
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    As Mr Burns would say....."eeexcelent"

  12. #12
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    Interesting. No problems with the ball bearings? I'm running the CC external because I like angular contact bearings but its pretty tall with the Fox 36 fork I'm running.
    Obviously, you're not a golfer.

  13. #13
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    No problems with the balls. Believe it or not I really felt like, when I had a 36 with external cup, I was having to work at keeping the front end down, but with flush headset not so much. I started with an older 36 TALAS with straight steerer and flush cups, then went to tapered steerer and external cup. It didn't make it unrideable, but I just felt like I was having to concentrate more than I wanted to keep the front end down at times. I then found the FSA and went back to flush and it was spot on!

  14. #14
    Klunkin' Ain't Easy.
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    Cool! Good info! Thanks. I tend to run the bike in the slack setting too, so having the ZS lower should help. I don't have too much wander up front but it may help plant the front a bit more.
    Obviously, you're not a golfer.

  15. #15
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    Quote Originally Posted by helimech View Post
    Quick question. Does anyone know the inside diameter's of the Spitfires headtube? I know its tappered, just trying to find the right ZeroStack headset for the upper and lower. Looking at Canecreek's web site and getting a little confused. Thanks .
    Doooode you got a Spitfire!

    I want to check it out!

    Did it replace the Gonad?
    Quote Originally Posted by buddhak
    And I thought I had a bike obsession. You are at once tragic and awesome.

  16. #16
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    Quote Originally Posted by Enel View Post
    Doooode you got a Spitfire!

    I want to check it out!

    Did it replace the Gonad?
    Sure you can! Will finish building it up this weekend? Nope, still have the gonad. Looking for a little lighter bike. Also looking FWD to riding the Dells with it and checking out this slack head angle. .
    JRA

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