Introduction and a wheel question- Mtbr.com
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  1. #1
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    Introduction and a wheel question

    Hey, all.

    After reading this forum off and on for a few months I've finally gotten around to registering and posting. I've been riding offroad for almost 20 years, and about seven or eight months ago tried out my first SS and have been having an absolute blast ever since.

    Sooooo, now I'm working on piecing together getting a nicer SS (anybody need a 19" monocog?) and am trying to figure out what to do about wheels. I'm building the bike with front and rear discs, and the available SS-specific disc compatible hubs I've found are all murderously expensive. Would it really be so bad to just build up a pair of, say XT disc hubs and use spacers and a single cog? Other than a little more dish (OK, a lot more dish) is there really any problem with going this route?

    Cheers,

    -Andrew Thorne

  2. #2
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    Welcome...

    and of course there is nothing wrong with building up a set of XT disc wheels and using spacers and a single cog. The extra dish hasn't really been a problem on the thousands of rear wheels used on geared bikes. The difference in dish is also reduced in a disc rear wheel compared to a non-disc geared wheel. Have you checked out the new Surly disc SS hubs? Not too much more than XT...

  3. #3
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    Makes chainline a breeze also

    Quote Originally Posted by andrewthorne
    Hey, all.

    say XT disc hubs and use spacers and a single cog? Other than a little more dish (OK, a lot more dish) is there really any problem with going this route?
    I find that many of the SS hubs have the freewheel spaced way out near the dropout. This means monkeying around with chainring spacing to get the proper chainline. You may have to mount to the outer position on the crank and even then it might be a problem. My SISS has a spot rear hub which puts it way out there. Running a bashguard is difficult. I spaced mine out but you could put it inside. You can also change bb spindle length but you only get 1/2 of the difference. In my case I needed about 6mm which would require a 125mm bb spindle (I don't think that is possible). Check www.sheldonbrown.com and search his site for chainline. There is a good article that gives measurements. The White Industries ENO hub uses a 48.5mm chainline which lines right up with the middle ring using the recommended bb for the crankset. I think I would go either freehub body or White Industries next time around.

    GP

  4. #4
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    Noting wrong wit dat... (and intro)

    if you have vertical dropouts. Keep in mind that most single speed hubs have beefier axel bolts to keep them sung in horizontal dropouts. A standard quick release skewer could spell disaster on horizontal dropouts. I've seen Surly's offerings at pretty reasonable prices (say around $50)

    I believe and introduction is in order on my behalf as well. I've been lurking this site for over a year and quite frankly feel like some kind of creepy stalker. I made a resolution this week to start posting an maybe learn a little in the process. I've been riding for about 10 years. I'm a fairly accomplished rider in my own little world but that isn't saying much. Here's to getting to more places and meeting more interesting people.

  5. #5
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    Quote Originally Posted by Nater
    and of course there is nothing wrong with building up a set of XT disc wheels and using spacers and a single cog. The extra dish hasn't really been a problem on the thousands of rear wheels used on geared bikes. The difference in dish is also reduced in a disc rear wheel compared to a non-disc geared wheel. Have you checked out the new Surly disc SS hubs? Not too much more than XT...

    I've seen the Surly hubs listed around, and they're not too much more than XT hubs, but I haven't found any kind of good deal on built wheels. My all time favorite way to buy wheels in the past has been to get a set of massively discounted pre-builts from somebody like Supergo and then retension and stress relieve them - usually works out to be cheaper than buying just hubs and rims (ie free spokes) and you don't have to hassle with lacing.

    I've seen XT's laced to Mavic rims for as little as $170 - kinda hard to turn down.

    What do you guys use for a cog when setting up a cassette wheel as an SS? Shimano BMX?

    Cheers,

    -Andrew

  6. #6
    semi-evolved simian
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    Quote Originally Posted by TwoPumpChump
    Here's to getting to more places and meeting more interesting people.
    Hey, I'll drink to that. Cheers

  7. #7
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    Welcome to our little piece of cyberworld

    Good to have you on board.

    I use a set of SRAM 9.0 9spd hubs with spacers and 9spd compatible cog, this way I was able to minimize cost by using parts laying around the garage. For spacers you can buy metal spacers or go the cheap way like me, get PVC spacers. I got a set from the MTBR classifieds and are also on eBay often for around $10.00.

    If you want to go with a SS specific hubs wheelset I would recommend to have it built or buy used.

    Are you going to use a frame with vertical or horizontal dropouts?

    You should visit Sheldon Brown's web page or the MTBR SS FAQ.

    Good luck!

  8. #8
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    Caution;  Merge;  Workers Ahead! Made me look...

    If you're looking at a cassette style SS hub or spacing a standard freehub I've got some prices and weights.

    SS DT Swiss Disc- 243gm $246(AEBike)
    SS King Disc- 341GM $300(Harris)
    SS Woodman/Novatec(disc) -460gm $90
    XT Standard Disc-496gm $45
    XT Center Lock-369gm $50

    Finding all this I bought a Deore/Alex disc wheelset about a year ago for like $80 dollars and it has held up just fine; as the previous post said, that's 2 hubs, QRs, spokes and 2 rims!. If you are going to space a freehub it is way cheaper buying a wheelset. I am now using a SS Novatech/ Real set on 519 rims which has cost about $300 (plus a lot of trouble getting a QR axle for the rear). The spin-on disc hubs cost between $70 (Surly) and $190 Phil (Pay your money and take your choice) but I've given up on BMX freewheels (again) and recommend the cassette style with cogs.

    1G1G, Brad
    Last edited by aka brad; 02-26-2004 at 04:02 PM. Reason: clarity

  9. #9
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    Welcome and a little pimping....

    of a friend's product.

    First, as many of the others have mentioned, there's nothing wrong with a standard hub, a ring and some spacers. If you can swing the extra $, for around $50 you can pick up one of these spacers:

    <img src="http://gallery.consumerreview.com/webcrossing/images/6closerlook(3).jpg">

    They line up with 8,9 or 10 speed Shimano cranks. A friend on mine makes them and distributes them through a bike shop that he works for. 913-451-1515, if you're interested.

    I receive nothing, zero, zip, nada for recommending the spacer. I ride with it and happen to love the way it functions.

    Ken

  10. #10
    Rollin' a fatty Moderator
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    That spacer is sweet, do they sell on-line?

  11. #11
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    So, it is in part designed to prevent rear cog chain drop? Can you fine tune it (i.e., I can move the cog over ever so slightly using variously sized spacers)? It looks like two solid peices to me.

    P.S. Your bike is too clean.

  12. #12
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    I don't think so....

    Quote Originally Posted by DiRt DeViL
    That spacer is sweet, do they sell on-line?
    I don't think they sell them on line, but you can call and place a credit card order.

    Ken

  13. #13
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    Answers.....

    Quote Originally Posted by skinny-tire
    So, it is in part designed to prevent rear cog chain drop? Can you fine tune it (i.e., I can move the cog over ever so slightly using variously sized spacers)? It looks like two solid peices to me.

    P.S. Your bike is too clean.
    It is two solid pieces that are two different thicknesses. They spacing works for standard crankset automatically using a middle ring. you can shim if you require. The spacers lock on with a standards rear cassette lock ring.

    The spacer do prevent your chain from skipping off since they capture the cog and rise above the chain.

    My bike isn't nearly this clean. I took this picture when I first built it up. It's covered in Tucson dust right now.

    Ken

  14. #14
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    Ah, that make sense. I'm having some major drive chain problems right now, and I'm (crossing my fingers) hopeful I got them solved. If not, I may give a call.

    Tucson dust? Mine too, but I'm going to add some Phx dust (mud?) tonight.

  15. #15
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    Where in KC is the place (Kansas or Missouri) and what's the name?, I work for a company with a site in KC (Overland Park) and I know some riders there that may get it for me. I live out of the continental US.

    On another note, I the Minor Park trail last year during a work related trip, I liked it but couldn't try others near by due to tornado warnings. Any suggestions for trails near Overland Park?

  16. #16
    KgB
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    If you are going to stick with SS

    Go with the Surly,It will last way,way longer than an XT.
    Not to mention It will look better and be more functional.
    I am pro Shimano on a lot of things but not this one.

    Welcome aboard too.
    I've been inside too long.

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