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  1. #76
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    ah ha confirmed a2c here
    Bluto fork clearance pics

  2. #77
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    Awesome to see so many folks building them up or researching the different options.

    I think these questions have been answered, but for my own understanding and to summarize:

    1) You need a new crown race. FSA Orbit 1.5 ZS 45 # H6088, aluminum black will work.
    2) The bike rides GREAT with it at 100. Personally looking to extend to 120.
    3) My understanding is that you need the SID air shaft to extend to 120. Someone said this is around $100. Any confirmation on this BDundee? Part Number?

    Finally got to weigh my build. Comes in at 32lbs, 5oz. Not bad with a Bluto and dropper post (Stock unless otherwise noted):

    Comp Fatboy in Medium
    Bluto
    Front Wheel: Holy Rolling Daryl laced to Origin8 150 hub with DT Swiss Comps
    Nate on front
    Both wheels set up tubeless with leading edge tape and Orange Seal sub-zero sealant.
    Egg Beaters
    Thomson 50mm Stem
    Easton Havoc Carbon riser bars
    Ergon grips (trimmed to fit with twisters).
    XO twist shifters
    Command Post (older version)

    Still coming: trade out Tektro brakes with Shimano Deores (on bench waiting to be installed), Convert drivetrain to 1x10 with OneUp 42T cog and Absolute Black 28t front ring (currently on another bike).

    FatBoy with Bluto?-photo-1.jpgFatBoy with Bluto?-photo-3.jpg
    "There are two kinds of mountain bikers in the world: those who are faster than me, and me."

  3. #78
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    spoke length

    sorry dumb question, I found spoke length calculator.

    applied dimensions for salsa hub and specialized rim

    Name:  Screen Shot 2014-06-25 at 7.36.22 PM.png
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    Last edited by hans2vt; 06-25-2014 at 07:11 PM.

  4. #79
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    Quote Originally Posted by alshead View Post
    You need a new crown race. FSA Orbit 1.5 ZS 45 # H6088, aluminum black will work.
    hmm, looking here
    https://www.universalcycles.com/shop...s.php?id=10605

    one of these?

    Orbit Xtreme-Pro 1.5"

    Item#:10605-67311
    Mfg#:160-5463
    UPC:400310019905
    EAN:400310019905
    Other #s:HD4573FS5269

  5. #80
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    100mm bluto + Salsa hub

    ordered!


    FatBoy with Bluto?-screen-shot-2014-06-25-9.59.12-pm.png

  6. #81
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    Awesome! Cant wait to see more bluto builds!

  7. #82
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    Ordered a 80mm Bluto for my incoming Expert. LBS recieved the Fasno hub (red anodized) last thursday. just waiting on bike to arrive (eta beginning to mid august) then wait for the Bluto to arrive (eta late august, early september)

  8. #83
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    Quote Originally Posted by hans2vt View Post
    sorry dumb question, I found spoke length calculator.

    applied dimensions for salsa hub and specialized rim

    Name:  Screen Shot 2014-06-25 at 7.36.22 PM.png
Views: 1325
Size:  32.0 KB
    Hi hans,

    to calculate the spoke lenght, you must use the proper values.

    Best way is to messure by yourself, here are my values.

    Specialized Fatbike rim ERD : 538 mm (spoke ends at beginning of nipple slot)
    0,25 mm washers under the nippels
    Spoke holes are 20 mm offset
    You can correct this by using "centered" rim holes and "pushing" in the flange distance 20 mm, in your spoke calculator. Like left flange distance 24 mm, right flange distance 25 mm.

    - projekt

  9. #84
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    ^what projekt said. Make sure you enter that the spoke offset is 20mm.

    I find FreeSpoke to be a great resource/ calculator. Use the "Full Calculator" since most fat bike stuff isn't in the database (though Surly rims are). It'll ask you everything you need to know.

    Freespoke

    And, just for fun- mine in the wild...
    "There are two kinds of mountain bikers in the world: those who are faster than me, and me."

  10. #85
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    Been reading up on fat bikes because I was thinking about buying one ....here I was thinking the FB's were simple fun to ride bikes that don't need suspenssion because of the huge tires.... guess not....lol at me being so dumb.............thread saved me a grand...thanks
    Old guy in the woods

  11. #86
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    Quote Originally Posted by projekt View Post
    Hi hans,

    to calculate the spoke lenght, you must use the proper values.

    Best way is to messure by yourself, here are my values.

    Specialized Fatbike rim ERD : 538 mm (spoke ends at beginning of nipple slot)
    0,25 mm washers under the nippels
    Spoke holes are 20 mm offset
    You can correct this by using "centered" rim holes and "pushing" in the flange distance 20 mm, in your spoke calculator. Like left flange distance 24 mm, right flange distance 25 mm.

    - projekt
    thanks projekt for the help!!! I was missing a lot.

    for ERD I found 534.2mm on the web. I googled "erd specialized fatboy rim". Should I use that? You had 538 which is pretty close I guess. Thoughts?

    -------

    Fatboy specifications and compatibility guide

    SPECIFICATIONS AND COMPATIBILITY INFORMATION FOR FATBOY ... ERD (effective rim diameter): 534.2mm. Specialized Ground Control tire: 26 x 4.6.

  12. #87
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    Just make sure when u order the air shaft that it is for a 29 NOT a 26 SID

  13. #88
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    Quote Originally Posted by hans2vt View Post

    Fatboy specifications and compatibility guide

    SPECIFICATIONS AND COMPATIBILITY INFORMATION FOR FATBOY ... ERD (effective rim diameter): 534.2mm. Specialized Ground Control tire: 26 x 4.6.
    Hans,

    everyone has his own way to messure the ERD, so i guess you may messure it yourself. That way you know whome to blame, when you ordered the wrong spoke length :-)

    Because the Nipple holes are offset on the rim - the corresponding hole is 40 mm offset, you can not exactly messure the ERD of the rim. My best bet was 538 mm.

    My Fatboy has had 0.25 mm steel washers under the nipples, i replaced them with 0.5 mm brass washers. The existence & thickness of the washers must be included in the ERD.

    Next thing to decide is spoke placement in the nippels. It's about a 2 mm difference of ERD if the spokeend just touches the bottom of the nipple slot, or fills the nipple to its end. In the first scenario you could use spokes that are 1 mm longer than calculated. In the second scenario, just the opposit.

    As you see, it all depends on your methode of messuring the ERD.

    But the is a way to sort it out. Just do all your messuring and calculate the Fatboy wheels. For 3-cross lacing front wheel spoke lenght is 259 mm, rear too. If you got these values, your messuring and calculation methode is ok.

    - projekt

  14. #89
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    Placed my order with Universal today, now the wait begins.
    Big Strings, Big Wheels, The Jisch Blog

  15. #90
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    Quote Originally Posted by Jisch View Post
    Placed my order with Universal today, now the wait begins.
    That a boy!! Now don't go beating on it because mass produced frames can't take it
    And I love beer!!

  16. #91
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    That was one of the most blatant trolls I've seen - zero logic, constantly changing "point". Weird.
    Big Strings, Big Wheels, The Jisch Blog

  17. #92
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    Bahhh I was almost done my new bluto... But the stock brake hose is too short. I guess I need to now find a longer hose! My junk Hayes disk brakes hose has different fittings so that won't work. Stock hose length is 26 but I need like 31 inches it looks like.

    Well maybe tomorrow or the next I'll finally have it done!

  18. #93
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    Re: FatBoy with Bluto?

    Quote Originally Posted by hans2vt View Post
    I guess I need to now find a longer hose!
    You're not alone, my friend.

  19. #94
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    bb7. just sayin....

    rog

  20. #95
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    Got my fork from brown Santa this morning, I'm building the wheel while on conference calls today. Hope to be riding it tomorrow.
    Big Strings, Big Wheels, The Jisch Blog

  21. #96
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    Quote Originally Posted by alshead View Post

    Here's mine- just got her finished up last night. Can't wait to get her on the trail! 100mm bluto.


    question... when you put tektro brake on the fork, did you have the thick part of the adaptor on top or bottom? The bosses on the fork are quite different than stock fork... and I can't figure out what direction to install the brake adaptor. (which side is up and which side is down - or the thick vs. thin side - or the "long bolt vs. short bolt side.

  22. #97
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    Re: FatBoy with Bluto?

    Just got it done, had to put a longer brake hose on it, but everything went very well. I used a threaded rod to install the star fangled nut, it worked great, much better than trying to knock it on from the top. Need to get it in the woods!
    Big Strings, Big Wheels, The Jisch Blog

  23. #98
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    FatBoy with Bluto?

    Nice job Jisch! Pic?

    Can you see my question a FE posts up about brake mounting? Even send a pic of your brake mounted?

    Mine is done minus a front brake. Waiting for kit to build a longer brake hose.





    Sent from my iPhone using Tapatalk

  24. #99
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    I took it on a lap on the pump track it felt good, though a bit stiff at 100psi, I dropped some air to 90psi, we'll see how that goes. I'm 170 or so without my pack on.

    Funny about the brake adapter as I took a picture before I took mine apart so I'd remember which way to install it. Crappy pic, and mine has Shimano brakes, but it worked for me:


    Here's the final product:
    Big Strings, Big Wheels, The Jisch Blog

  25. #100
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    How much for the Bluto? How much for a wheel?

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