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  1. #1
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    OS Blackbuck 650b!!!

    A few quick shots of an OS Blackbuck frame in 650b and then to build it up!

    A couple of notes: Osbikes/Mark Slate and staff are great people. These are well detailed frames and I hope that they make and sell more. "Wish I Was Riding" has the first one and knows a lot about these as well.

    <img src="https://www.goodpicture.com/os1.jpg">

    <img src="https://www.goodpicture.com/os2.jpg">

    <img src="https://www.goodpicture.com/os3.jpg">

    <img src="https://www.goodpicture.com/os4.jpg">

    <img src="https://www.goodpicture.com/os5.jpg">

    <img src="https://www.goodpicture.com/os6.jpg">

  2. #2
    ride more
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    looks nice

  3. #3
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    Anyone know what chain stays those are?

  4. #4
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    16.75" for chainstay length (courtesy of Wish I Were Riding's email to me in response to the same question just yesterday).

  5. #5
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    SWEET!

    Now build it, ride it, report it.

  6. #6
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    Quote Originally Posted by MMcG
    16.75" for chainstay length (courtesy of Wish I Were Riding's email to me in response to the same question just yesterday).

    I mean brand of stay... they look unusual in a good way. Seems to be 3/4 round at the drops, but also looks ovalized at the bb.

  7. #7
    Harmonius Wrench
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    Quote Originally Posted by Schmitty
    I mean brand of stay... they look unusual in a good way. Seems to be 3/4 round at the drops, but also looks ovalized at the bb.
    Blackbucks were built in the Maxway factory in Taiwan. I'm not aware that they were built out of anything "brand name", such as Columbus, Reynolds, True Temper, or anything of that ilk, if that is what you are asking. I'm pretty sure it is just a commercial 4130 ChroMoly that has been double butted and manipulated for bicycle uses.

    Somebody with more intimate knowledge of the Maxway factory or specific tubing used might be able to enlighten us further here, but I'm pretty sure it isn't a stay from any of the "name brand" companies in the frame tubing business.
    Riden' an Smilin'
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  8. #8
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    Built-up very easily but as for riding, the trails around here are mush as we've had our first warming trend in months. This was a fun build and I had no expenses other than my time. I sold two old frames which more than paid for the cost of the Blackbuck and the parts all came from the parts bin.

    Currently running a Kelly fork (435mm AC) on it and the bike is well balanced for me. The bb height is almost an inch lower than it was with my Gunnar which was 12.7" . There's a lot of clearance on this frame and though any good trail riding is probably a month away around here, I can tell that the OS is going to be a nice ride.
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  9. #9
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    Quote Originally Posted by steelbike
    Currently running a Kelly fork (435mm AC) on it and the bike is well balanced for me.
    Looking good steelbike!

    What's the rake on the Kelly fork? What cranks are those?

  10. #10
    Eating Hot Pockets
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    love that frame...
    i was 4 seconds away from pulling the trigger on his last one till i got the ETT and ST measurements.. sometimes (rarely, but this is one of them) I wish i were shorter.

    hopefully when he DOES have the next batch made, he'll add a Large (24x18.5) into the lineup

  11. #11
    bike geek
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    Quote Originally Posted by A. Nony Moose
    hopefully when he DOES have the next batch made, he'll add a Large (24x18.5) into the lineup
    That's what he's got the 29er Blackbuck for

  12. #12
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    The Kelly fork rake is 38mm/1.5". It looks like they are back in business again. The cranks are Suntour Micro-Drive cranks. I also have a Pace RC31 w/440mm AC and Mark Slate said either would go well with the OS 650b.

    Quote Originally Posted by Wish I Were Riding
    Looking good steelbike!

    What's the rake on the Kelly fork? What cranks are those?

  13. #13
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    Quote Originally Posted by tamjam
    That's what he's got the 29er Blackbuck for
    Yeah but A. Nony already has a stellar 29er in his Sinister Simon Bar.

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