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  1. #1
    Ole
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    Project Sub Kilo 27.5" wheels

    So it has begun. My quest to make a 27.5" clincher wheelset below 1kg. I did this for 26" wheels back in 2009, and now it's time to do it again in a larger size. Since then, hubs and spokes have gotten lighter, and rims stiffer. To reach the goal, I have to wait for a certain rim to become available. Look at the google translated entry in my blog here:

    Google Translate

  2. #2
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    Can't wait to see the outcome!

  3. #3
    ~ B A D A S S ~
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    hows it going?
    Rule #9 // If you are out riding in bad weather, it means you are a badass. Period.

    Quote Originally Posted by iheartbicycles View Post
    Specialized sucks ass.

  4. #4
    Ole
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    All the parts for the intermediate stage have arrived. Light Bicycle Wide rims, spokes and hubs. 1173g total. When (if?) the Tune rims become available, I should be able to brake the 1000g limit.

    Last edited by Ole; 04-04-2013 at 02:00 PM.

  5. #5
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    If you are inclined, what does it cost to make a sub 1000g wheels?

  6. #6
    Ole
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    Quote Originally Posted by brmeyer135 View Post
    If you are inclined, what does it cost to make a sub 1000g wheels?
    Around 2200 EUR not counting the time it took to straighten out the ti spokes.
    Last edited by Ole; 04-04-2013 at 02:00 PM.

  7. #7
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    Wow, I can get to 1400g for under US 500.00(29er) but knowing what it takes to go farther will have to wait.
    Thanks for sharing and showing what is possible.

  8. #8
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    Quote Originally Posted by Ole View Post
    Around 2200 EUR not counting the time it took to straighten out the ti spokes.
    Pillar makes straight-pull titanium spokes.

  9. #9
    Ole
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    Yes, but not with 2.0 at the ends, they only make 2.3mm, also at the spokes, unless you customer order very large quantities of several thousands. And that was beyond the economic scale of my wheel build.

  10. #10
    ~ B A D A S S ~
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    or half a months salary in norway. kinda.
    Rule #9 // If you are out riding in bad weather, it means you are a badass. Period.

    Quote Originally Posted by iheartbicycles View Post
    Specialized sucks ass.

  11. #11
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    Nice Ole. Make sure you keep us updated on this. The Weight Weenies forum has been lacking in anything truly weight weenie for far too long...

  12. #12
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    1400g under $500?

    Quote Originally Posted by brmeyer135 View Post
    Wow, I can get to 1400g for under US 500.00(29er) but knowing what it takes to go farther will have to wait.
    Thanks for sharing and showing what is possible.
    May I ask what components you'd use for a 1400g $500 set?

    Thanks.

  13. #13
    Maromero
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    Any news? pics?
    Please keep us updated.

  14. #14
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    Quote Originally Posted by TooSteep View Post
    May I ask what components you'd use for a 1400g $500 set?

    Thanks.
    Novatec 711/712 hubs, NoTubes ZTR Crest 29er rims, DT Revolution spokes, alloy nipples.

    ~1500g
    ~$450

  15. #15
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    Yes, ZTR crest 150.00 370g/each
    bike hub enduro hubs 145.00 414g/set
    sapim laser 56.00 5g/spoke
    each wheel build 40.00/wheel
    rough cost 431.00 1434g

  16. #16
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    Quote Originally Posted by brmeyer135 View Post
    Yes, ZTR crest 150.00 380g/each
    bike hub enduro hubs 145.00 414g/set
    sapim laser 56.00 5g/spoke
    each wheel build 40.00/wheel
    rough cost 431.00 1434g
    380g x2 + 414g + 5g x64 + 20g (alloy nipples) = 1514g

  17. #17
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    Quote Originally Posted by sfer1 View Post
    380g x2 + 414g + 5g x64 + 20g (alloy nipples) = 1514g
    NO, I went with a 28 hole rim and hub - but recalculating - 1450 to 1470 - if a person wanted to lose some more they could go with Rotaz hubs or circus monkey and get a 385g set which would put you on the lower side of 1400 and still be under 500.00
    Next month, when they are finally together, I can get a more accurate weight. I guess I should have said the 1400 area for the nit pickers.

  18. #18
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    my new wheels will have like 700g of hubs at least (tp stealth), 900g of rims (dt 400 and 500), dt comps and brass nipples. does 50 grams matter? Hmm let me think about that for a while, no, it doesn't. QUALITY does though...

    almost forgot my new tires, continentals @ 700g per, yeah litening **** up by 300g per tire here.
    Last edited by car bone; 04-24-2013 at 02:29 PM. Reason: almost forgot
    Rule #9 // If you are out riding in bad weather, it means you are a badass. Period.

    Quote Originally Posted by iheartbicycles View Post
    Specialized sucks ass.

  19. #19
    Ole
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    I have now done several off road rides on the wheels, and one real race, and the wheels are STIFF! Not "stiff for a race wheelset"-stiff, but really, really, trailbike stiff. I'm not even sure I want to pursue the 1kg goal, if that means giving up the fantastic stiffness I have now. My bike with Rocket Ron 27.5x2.25 weighs 9kg sharp ready to race, and that's not too bad for a 120mm front/rear travel full suspension bike with proper tires. There is nothing flexy on the bike now, 15mm front axle, 10mm through axle rear, Schmolke DH riserbar, Lightning cranks, Rotor stem (Extralite too flexy), it just feels stiff and inspiring.

  20. #20
    Maromero
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    Quote Originally Posted by Ole View Post
    My bike with Rocket Ron 27.5x2.25 weighs 9kg sharp ready to race, and that's not too bad for a 120mm front/rear travel full suspension bike with proper tires.
    Is that the Carbine? Did you reduce the travel of it?

  21. #21
    Ole
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    It's a Carbine SL that I modified to fit 27.5" wheels. You can choose between 120 and 135mm rear travel, and I use it with a 120mm fork. At 135mm in the rear, the wheel hits the seat tube. Besides, as a XC race bike with 27.5"-wheels I don't want more than 120mm front and rear.

  22. #22
    Maromero
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    Quote Originally Posted by Ole View Post
    It's a Carbine SL that I modified to fit 27.5" wheels. You can choose between 120 and 135mm rear travel, and I use it with a 120mm fork. At 135mm in the rear, the wheel hits the seat tube. Besides, as a XC race bike with 27.5"-wheels I don't want more than 120mm front and rear.
    I'm asking because I'm after something like that, but... your frame mods are waaay beyond my skills (I just saw your thread)
    Thanks for sharing.

  23. #23
    Ole
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    Let's hope Intense makes a 27.5" rear end for the Carbine SL.

  24. #24
    Maromero
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    So, based on your build, it's stiff enough to go 28 spokes and forget about the Tune rims?

  25. #25
    Ole
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    Yes, definitely stiff even with 28h and super thin Pillar spokes.

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