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  1. #1
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    Fox Float CTD rear shock/Spark 900 frame

    I'm seriously considering swapping to a Float CTD rear shock, on my 2013 Spark 900 Premium and I would like to get the remote shock variant .

    1) Does the 2013 Scott Twinloc lever (ie the Twinloc lever with longer levers and configured for a DT Nude2) work with CTD remote set-up - is the cable pull the same between Trail/Traction-Mode and Climb/Lok-out?

    2) Which Velocity/Rebound/Boost Valve tune settings are other users running?

  2. #2
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    Did you ever get an answer on any of this? I want to do the same.

  3. #3
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    Yes, I've been running a CTD rear shock since May and the difference is night and day, compared to the Nude 2.

    The twinloc lever operates the damping modes perfectly, so no problems there.

    I bought the shock on eBay and then had Fox UK custom tune it for me. I'm running:

    Rebound Tune - M
    Compression Tune - F
    Climb Tune - F
    Boost Valve pressure - 250psi
    1 aircan volume spacer

    I'm 6'/155Ibs and ride cross country, and the shock tune is absolutely spot on for me.

  4. #4
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    Fox Float CTD rear shock/Spark 900 frame

    Thank you so much! My fork is at fox getting the fit damper, 2015 seal heads and kashima stanchions. I've been talking to them, and fox thinks there might be some clearance issues with their rear shock on my 2013 930 frame. I'm assuming our frames are identical dimensionally. Is your shock a 6.5 x 1.5? Can you a pic of your rear shock set up? Thanks.


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  5. #5
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    There are NO clearence issues fitting this shock, and yes, my shock is 165X38mm. I think the clearence issues may arise when you try and a 2014 Fox Nude shock to a 2013 frame.

  6. #6
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    Do you run on the high or low setting?

  7. #7
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    I've run both settings without any issues.

  8. #8
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    Quote Originally Posted by leathernuts View Post
    Thank you so much! My fork is at fox getting the fit damper, 2015 seal heads and kashima stanchions. I've been talking to them, and fox thinks there might be some clearance issues with their rear shock on my 2013 930 frame. I'm assuming our frames are identical dimensionally. Is your shock a 6.5 x 1.5? Can you a pic of your rear shock set up? Thanks.


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    how did you make out?

  9. #9
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    Quote Originally Posted by MasterOMayhem View Post
    how did you make out?
    I had everything done last year, and it was worth it! Bike feels competely different, much more active yet effecient when I lock it out. BUUUUUTTT, about 2 weeks ago, decended in full open, got to the bottom, and went to trail and then to climb mode, and the rear would not firm up. So its actually (rear shock) at Fox right now. THe only thing different Im going to do this round is invert the rear shock, that way I will have clearence for my water bottle. Actually we got it back and mounted in that position and it looked fine and the cable routing was fine, but then we realized it was still not firming up, so it went back. In the pic besides the fork and shock, I also converted to 1 x 10.
    Fox Float CTD rear shock/Spark 900 frame-img_0013.jpg

  10. #10
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    one more thing, when mounted as seen in the pic, mine did hit in the low posistion when compressed. However, when we invert the shock, it can go in either position, but I like high anyways.

  11. #11
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    cool thanks for the pics... which fork are you running and do you have any issues with the twinloc

  12. #12
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    no issue with the twin lock. Thats my original fox evolution fork redone by Fox to 2015 factory float specs and I put the black fox sticker which is why you cant see the label.

  13. #13
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    cool. i have the 900 spark SL with a rockshock fork, with the scott damper. it was a PITA to get the right damper. so i will try the fox rear with rockshock front...

  14. #14
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    Fox Float CTD rear shock/Spark 900 frame

    I'll post another pic once its remounted.


    Sent from my iPhone 6 Plus using Tapatalk

  15. #15
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    Do ya'll think I could go by cws196 valving specs for a Genius with a rider the same weight? I have a new shock with MED tunes and a much lower Boost valve but havent installed it.

  16. #16
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    I almost certainly think you'll want the BV pressure increasing. Find out what the Climb Tune is on your shock as well (call Fox fit this info).

  17. #17
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    Sorry! Just saw you had listed Climb Tune.

  18. #18
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    well I got my shock back and it was a totally different shock and not in a good way (for me). They completely firmed it up. The Decend was like the trail was before, and trail and climb were pretty much the same-FIRM. Called service and they said the wires got crossed and thought I wanted it firmed up versus fixed. So its going back for a third round. I did ride it before going back and climbing in trail was awesome, but overrall I wanted more plushness out of it. I did install it inverted and that was awesome as I have tons of clearance for my water bottle. Ill let you all know what happens. Ill try to email and find out what tune they did exactly this last time that was super firm.

  19. #19
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    I believe he said it was around 135psi boost, and it has Med comp, and Med Climb
    It says CP2P on the decal.

    Im wondering if I should just send it back to the retailer and buy one straight from fox that everything is correct on?

  20. #20
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    found this on one of the Scott team sites... check the 2013 with Fox Float CTD



    Scott Pro Mountain Bike Team: Stolen Bike Alert - Team Rider's 2013 Spark 900 Premium Stolen

  21. #21
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    Fox Float CTD rear shock/Spark 900 frame

    Lol. That's funny because that is the same pic I sent the bike mechanic when he reinstalled my shock. But we routed the cable cleaner


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  22. #22
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    youll have to post a pic of the cable routing.

  23. #23
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    Fox Float CTD rear shock/Spark 900 frame

    Hopefully I get it back this week, but basically ran oem and then let it come down into position. Kept it much closer to the shock so it didn't appear to just be dangling there


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  24. #24
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    ok has anyone seen where you can use the fox rear CTD and Rockshox fork with scott damper and twinloc. i know about the blue and red disk on the twinloc but has anyone gotten it to work?

  25. #25
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    why wouldnt it work? Although they go to the same lever, it two separate cables. So if the rockshox disc is in for the correct pull, then the front fork will function regardless of the rear (providing the rear is not interferring with the overrall motion of the lever). THe question I have is Rockshox fork the one that came with the bike?

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