SB-66 & Tire Clearance- Mtbr.com
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  1. #1
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    SB-66 & Tire Clearance

    So, will the SB-66 be limited by the same tire clearance issues that have plagued the 575 and ASR-7?

    Will it fit a 2.35" high-volume tire, or will it be like the 575 and miss the boat? I had to ask, since I know a LOT of people are questioning this in the back of their minds!
    Last edited by CharacterZero; 07-06-2011 at 07:57 AM.

  2. #2
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    Their website says

    "There is great tire clearance on the SB-66 but tire sizes vary widely by manufacturers, so it's hard to give a number that works for all tires. The short answer is the SB66 can accept up to a 2.4" tire."
    I'm hoping they wrote that being conservative so hopefully a big 2.4 should work. I think a 2.35 would definitely work?

    I will post up when I get mine, but i have 2.4 Panaracer Fire FR to try on it.

  3. #3
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    If my memory's not totally shot, the bike is spec'd with a 2.4 Nobby Nic. Can't imagine needing a bigger rear tire than that on a 6" bike. This isn't built as a FR/DH sled.

    Not the most informative shot, but this is from Vitalmtb:
    link



    And another from Singletrack Mag:



    I think that's a Racing Ralph on there, but somehow I think it'll all be OK.
    Last edited by coolhandluchs; 07-06-2011 at 09:38 AM.

  4. #4
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    The pics on the YETI site are 2.25 Nobby Nics, so your memory might be shot!

  5. #5
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    Quote Originally Posted by coolhandluchs View Post
    If my memory's not totally shot, the bike is spec'd with a 2.4 Nobby Nic. Can't imagine needing a bigger rear tire than that on a 6" bike. This isn't built as a FR/DH sled.

    Not the most informative shot, but this is from Vitalmtb:
    link



    And another from Singletrack Mag:



    I think that's a Racing Ralph on there, but somehow I think it'll all be OK.
    That definitely looks like a Racing Ralph 2.4.

    If for some reason my 2.5 Minion doesn't fit, I think I'll be fine with the 2.25 Ardent.

  6. #6
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    Quote Originally Posted by Penny View Post
    That definitely looks like a Racing Ralph 2.4.
    FWIW, the top pic is part of the photo set that has Nobby Nics on there. Looking at the Schwable USA site, I see they do make a RR 2.4...but it is the odd-man-out in the sizing of that tire.

    According to Shiggy's mtbtires.com site, the RR 2.25 has a axle-to-tallest-point of 337mm, which is 7mm smaller radius than the comparable 2.35 Fat Albert (7mm is a lot here), listed at 344mm. If the FA and Hans Dampf are the same size, let's just hope that lower chainstay yolk/brace isn't as close to the axle as it is on the 575...

  7. #7
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    Quote Originally Posted by icegeek View Post
    Visually there is much more space at the chainstay yoke than 575's of old. And no seat stay brace.
    Right on. Yeah, forgot it was the SS brace that is the bottleneck!

  8. #8
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    Visually there is much more space at the chainstay yoke than 575's of old. And no seat stay brace.
    Since when did Need have anything to do with this?

  9. #9
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    Bump...I know some of these are being built!

  10. #10
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    Chk this thread....there's a pic of one with Muddy Mary's...so I suppose the frame will clear at least 2.35 in Schwalbe's line.

    http://forums.mtbr.com/showthread.php?t=719480
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  11. #11
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    Well my 2.5 Minion DHF fits.....

  12. #12
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    I rode one with a 2.4 Nobby Nic on the back and it seemed to be just fine for clearance with room to spare.

  13. #13
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    My 2.4" Panaracer Fire Free Rides fit with plenty of room. and they are Huge tires.

  14. #14
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    Quote Originally Posted by Penny View Post
    Well my 2.5 Minion DHF fits.....
    please make a picture ... thanks.

  15. #15
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    I noticed something of intrest with my tire clearence today. My tire made very slight contact with the seat tube on a bottom out. I pulled the spring from my coil and put the shock back on. Compressed it all the way i have about 2mm clearence when bottomed out. Just some fyi i have plenty of side clearence and all that. I would say my 2.4 panaracer fire free rides are about the max you can go. They are a really big tire compared to other brands though i think.
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  16. #16
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    Yeah, my Conti mountain king II 2.4 protection version have about 2mm clearance from the seat tube at full shock compression. On the side there is tons of room. That was an issue on my 575.

  17. #17
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    To me, tire clearance and tire choice is a sell/no sell point. It seems like the SB66 can take a meaty tire. Let's hope the SB95 is not forgotten.

  18. #18
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    Need to get some new tires for my sb66. Anyone been running the Ardent 2.4 and Muddy Mary 2.35 as rear tire. How is the clearance from the seat tube?

  19. #19
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    I just picked up my SB yesterday fitted with High Roller II 2.4ís and I am amazed at clearance around them, not only are they wide tyres but they have a really deep profile too. I'll post photo later...
    Steed: Yeti SB-66

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  20. #20
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    Quote Originally Posted by FattigBalle View Post
    Need to get some new tires for my sb66. Anyone been running the Ardent 2.4 and Muddy Mary 2.35 as rear tire. How is the clearance from the seat tube?
    I am running Hans Dampf on mine, and I rub the seat tube on my large SB-66 when bottoming hard. Nothing I worry about, though. Put on some bike tape on the seat tube and I am home free. Go for the meaty ones if you prefer.

  21. #21
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    Before with Max is 2.35's



    After with 2.50's. This is the Dhf and dhr combo.






  22. #22
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    The back if bottoming the shock out all the way, will rubber the bike a little, and a cable, but not too bad. I would love thus dame tire in a 2.4

  23. #23
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    Quote Originally Posted by hssp View Post
    I am running Hans Dampf on mine, and I rub the seat tube on my large SB-66 when bottoming hard. Nothing I worry about, though. Put on some bike tape on the seat tube and I am home free. Go for the meaty ones if you prefer.
    You've got to be kidding. Is this some kind of design issue?

  24. #24
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    Quote Originally Posted by trailbrain View Post
    You've got to be kidding. Is this some kind of design issue?
    No, it's a humongous tire issue.

  25. #25
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    Quote Originally Posted by Dogboy View Post
    No, it's a humongous tire issue.
    It happens also with smaller tires like Ardent 2.25 but I don't see it a s an issue. It's an RP23 setup thing and even if tire rub is unavoidable at exterm landing situations, a clear sticker on this spot provides a solution

  26. #26
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    Quote Originally Posted by GreenBonty View Post
    It happens also with smaller tires like Ardent 2.25 but I don't see it a s an issue. It's an RP23 setup thing and even if tire rub is unavoidable at exterm landing situations, a clear sticker on this spot provides a solution
    What baffles me is why is this acceptable with a smaller tire that is within spec of what Yeti recommends for this bike. A 2.5 rubbing I can see. A 2.25 really shouldn't have this issue when the suspension compresses.

    Was there ever any official solution from Yeti of the LBS other than adding protective tape?

  27. #27
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    Can anyone else comment on this issue who has bought a SB66 recently? I am about to take delivery of one but after agreeing on the spec, Yeti Oz changed the rear tyre from a Hans Dampf to a Nobbly Nic (not sure what size).

    I was under the impression that later production runs resolved this issue, but their reasoning for the change was that they had rubbing issues with the tyre on the SB66. This tells me either I have been given an older frame (which, coupled with the bearing issue, I will not be accepting), or that the issue still exists, and given I like to run at least a 2.3 in the rear, is making me question my choice

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