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Thread: Moto-synthesis spoke rings

  1. #1
    Administrator ChopperCharles's Avatar
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    Moto-synthesis spoke rings

    I ordered three pairs of these ages ago, and I've assembled both rear rims using spokes I found -- after lots of trial and error. However, I've not so far been able to find spokes that will attach the front spoke ring to anything. I've tried emailing and private messaging Jerry, but he's not responded. I'm looking to buy spokes, and I'd prefer to buy from him, but I'm willing to buy from anywhere. I just need to know what spokes to get. The bend is the critical part. Anyone have experience with the spoke rings, and where to get spokes for them?

    Thanks!

    Charles.
    Visit my Blog: Modified Motorcycles By ChopperCharles at http://choppercharles.com

  2. #2
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    Buchanan Spokes and Rim

  3. #3
    Administrator ChopperCharles's Avatar
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    That's not really helpful. What bend and length for different wheel sizes? Especially the bend!

    Charles.
    Visit my Blog: Modified Motorcycles By ChopperCharles at http://choppercharles.com

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  5. #4
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    Quote Originally Posted by ChopperCharles View Post
    Especially the bend! Charles.
    The "bend" is the angle alpha ?
    "Normally" it's an angle = 97°

    Name:  Speichenkroepfung.gif
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    (BTW: Spokes always break on the angled part.)

    The angle depends on the shape of the spoke ring.
    Is it flat or curved ?


    I would never use rings like these ones:
    Name:  Speichenring_front rings.jpg
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    The reason You see here:
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    Each second bore has a countersink for the head.
    In this countersing sits the conical head of the spoke.
    That is saying: Each second spoke is put in into the ring from the outside,... the others from the inside.

    To get the right angle: Hmmmm, not so easy to explain in my germenglish
    I would position the hub exactly axially and radially in the rim,
    Check that the bores of the rim fit to the bores in the spoke ring.
    (BTW: Spokes schould cross once)
    When the spoke must be (much) bent that the threaded part goes through the bore in the rim, the angle is wrong.

    This way You also can measure the right lenght of the spoke. The thread should disappear in the spoke nipple.
    When the thread is plus minus 2mm too long/too short, it doesn't matter.


    In the last of the 66 pictures You see more.

    MotoSynthesis: Home of the Comstar Spoke Conversion Rings: Comstar to Spokes

    Title: Comstar to Spokes


    PS:
    Some of these spokes broke on the "autobahn"

    Name:  Speichenrad_gebrochen.jpg
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    Three reasons.
    All the spokes a put in from the inside,
    The cross bent the spokes,
    The spokes had the wrong position in the bores. The spokes thread don't sit straight in in the nipples.

    Name:  Speichenrad_2_gebrochen.jpg
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    Last edited by guelli02; 03-16-2017 at 05:04 AM.

  6. #5
    Senior Member Kameron's Avatar
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    Quote Originally Posted by CharlesChagnon View Post
    Buchanan Spokes and Rim
    This is the best answer for you BECAUSE of length and bend that is dependant on wheel and size
    1983 CX650E will restore

    1981 CX500 Custome Cafe Brat thingy

    1979 CX500 Deluxe (currently being Cafe'd/Brat)

    1973 CB750 K3 (need to restore)

  7. #6
    Administrator ChopperCharles's Avatar
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    Yes. I need to know the bend. 90-something degrees is not nearly enough to be able to thread from both inside and outside. I've laced both my rears from the inside only. One has some bow to the spokes, but I've got several thousand rough miles on this rear wheel and haven't had any problems so far. The other I found spokes with a better bend and there is no bow. They're still all inside spokes though. Indeed the moto synthesis spoke rings have countersunk holes only along the outside, so they're designed this way it seems.

    I have a 17x3 drop center triumph rim that I'm trying to lace up to the front rings and I can't find anything that works. Hmm. Maybe it's the rim that's the problem. It doesn't allow any wiggle room for the spoke angle through the holes, where the Harley and the warp 9 rims allow plenty.

    Charles

  8. #7
    Senior Member Kameron's Avatar
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    this is like watching a baby try to push a square block through a round hole
    1983 CX650E will restore

    1981 CX500 Custome Cafe Brat thingy

    1979 CX500 Deluxe (currently being Cafe'd/Brat)

    1973 CB750 K3 (need to restore)

  9. #8
    Senior Member Kameron's Avatar
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    you have not supplied anyone with measurements to be able to even begin to help you

    Where are the spoke holes located on the ring in a precise measurement?
    what size rime are you using?
    whats the offset between the spoke rings and spoke holes in the rim?
    What is the diameter of the spoke holes in the rings?

    Then you can begin calculating length and bend angle + what thickness spoke will best suit this application
    See why a few of us are saying BUCHANONS
    You cant just guess or wish for the best when it comes to the little steel spokes that connect the rim to the hub or you will end up like our German friend there who thought you could do an all internal lace when with that setup you cannot, and now has broken spokes and bent ones as well.
    If your spokes are bowed or bent, ITS INCORRECT AND WILL HAVE FAILURE = YOU KISSING THE ASPHALT
    1983 CX650E will restore

    1981 CX500 Custome Cafe Brat thingy

    1979 CX500 Deluxe (currently being Cafe'd/Brat)

    1973 CB750 K3 (need to restore)

  10. #9
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    if you have your measurements you could contact Rob at

    The Wheel Right Shop

    7010 Ball Park Rd
    Thomasville, NC 27360


    (336) 476-0405

    or on faceborg

    and see if he could help you he does a lot of wheels around here
    GET AN OIL FILTER ADAPTER

    Order The Quick Build Exhaust Pipes


    GET A QUICKSET VALVE TOOL


    Way to many bikes to maintain this list LOL !!

    email me at murray at murrayscarbs.com

  11. #10
    Administrator ChopperCharles's Avatar
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    What I'm looking for is someone else with experience with these rings to chime in. I can't get Jerry from moto-synthesis to respond to an email or message through his website. Even to buy more stuff :/

    The rim I'm using is a 17x4.5 harley steel drop-center rim. 40 hole. I don't have large enough calipers to measure the actual ring diameter. The spoke holes are 27mm from the outside of the hub. The width of the hub mounting boss is 42mm, and the rings are 5mm thick. (so face-to-face they're 52mm). The holes fit 6/8 spokes snugly. I don't know how to measure the offset you're speaking of. I can't wrap my mind around what you're asking.


    Here's the wheel:

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    And here's the wheel on the bike:

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    I also have a 36-hole 17x4.25 warp-9 rim, and a set of 36-hole rings, and I found spokes with a bend in them that allow me to lace them up without bowing them. I haven't trued this wheel yet, but here it is loosely assembled:

    Name:  rear_rim2.jpg
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    And here are the spokes I used for this wheel:

    Name:  spokes.jpg
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    Notice how they have an additional bend away from the neck. That gave me enough clearance so the spokes aren't touching each other, at least right now, before the rim is tightened and trued.

    I'm waiting on a truing stand to arrive before I tackle truing this rim. Jack stands and axles are for the birds, I've determined.

    Charles.
    Visit my Blog: Modified Motorcycles By ChopperCharles at http://choppercharles.com

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