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  1. #1
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    problems w/ sugino75 cranks on steamroller

    ok, so i got this steamroller(53cm seat tube) and a set of sugino 75 165mm cranks. i've matched it with the 75 sugino bottom brackets (109mm axle). Anyway, the drive side cranks looked a little too close to the chainstays (i think its the chainstay, or whatever stay it is) for comfort. Anyway, anyone else out there got this type of problem or is it just me? did i assemble the cranks too tight? here are some pictures. the second one is the one that's too close as you can see. It just grazes it a little, or just misses it sometimes.

    left side.

    right side(drive side).

  2. #2
    72 & Sunny adamkell's Avatar
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    is the frame used? bent rear triangle perhaps?

  3. #3
    na975
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    damn!

  4. #4
    cxmagazine dot com pitboss's Avatar
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    I am curious on this too as I will have the same set-up on my 04 Surly.
    Deathlap - cyclocross, training, beer,...escape hatch

  5. #5
    Slow in traffic Paul And Pista's Avatar
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    That's odd 'cause I run Sugino 75s on a 107mm (pretty sure it's 107) bottom bracket and my chainline is a little off in the other direction.

  6. #6
    Iguana Subsystem dolface's Avatar
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    have you tried turning the spindle the other way?

  7. #7
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    Quote Originally Posted by dolface
    have you tried turning the spindle the other way?
    I run a couple of bikes with Sugino 75 cranksets (165) and use Sugino BB measuring 68X109. I owned a Surly SR too and recall utilizing this combination without remark. If the frameset can be ruled out, it sounds to me as if the problem may be with the BB. I can't imagine pista cranks (165) creating such issues; especially when Surlly SR with 175 road cranks are not uncommon.
    Last edited by gravityhurts; 12-29-04 at 11:51 PM.

  8. #8
    SuperstitiousHyperrealist jinx_removing's Avatar
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    Quote Originally Posted by dolface
    have you tried turning the spindle the other way?
    The spindle should be symmetrical, no?

  9. #9
    SuperstitiousHyperrealist jinx_removing's Avatar
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    After thinking about this a little more I think that the problem must be with the frame. Most track hubs should achiveve a 42 mm chainline and likewise a track crankset and its corresponding BB should do the same. Since the Steamroller is spaced 120mm in the rear(track spacing) the whole frame should be built to accept a setup with such a chainline, right?

  10. #10
    (Grouchy)
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    i miss the "boston baked bean" steamrolers.

  11. #11
    hello roadfix's Avatar
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    I'm running old Campy track cranks on my 53 Steamroller and I've got less than 10mm clearance. Since these frames are designed to accomodate fat tires, the chainstays are spaced a bit further apart near the BB.
    Last edited by roadfix; 12-29-04 at 05:01 PM.
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  12. #12
    Cornucopia of Awesomeness baxtefer's Avatar
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    not all spindles are symmetrical.

  13. #13
    SuperstitiousHyperrealist jinx_removing's Avatar
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    Quote Originally Posted by baxtefer
    not all spindles are symmetrical.
    True. But I believe the Sugino BB has a symmetrical spindle.

  14. #14
    Iguana Subsystem dolface's Avatar
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    jinx_removing is right, i did what i should have done before posting and actually looked it up.

  15. #15
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    are you sure you got the cups threaded into the frame all the way? the fixed cup might not be in, and the adjusting cup might be too far in. or your frame is probably misaligned. with steel, this is not such a huge issue, because you can just "cold set" it back to where it's supposed to be.

  16. #16
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    hey, its the guy whose steamroller doesnt look too well. im not so sure that its anything with the frame. if the stays are bent, wouldnt the left side be bent with it, cause they're connected with a brige, and the hubs and all. but the left side seems to have just enough space on it. anyway...at my inspection, just eyeing it, it seems to be true. im gonna, go to the lbs sometime tomorrow hopefully, but anymore comments are welcome.

    Hey, here's a wild idea, you guys think that i pedal so hard, that i pull the whole chainstay with me on the right side? lol

  17. #17
    oh..so...crusty.. crustedfish's Avatar
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    Quote Originally Posted by dwguy
    Hey, here's a wild idea, you guys think that i pedal so hard, that i pull the whole chainstay with me on the right side? lol
    ummm...no..

  18. #18
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    alright, so i went to the lbs and right when the guy looked at it, he told me that i needed a spacer, so thats what i got. I did inquire whether it was a probmem with the alignment of the frame or not and he told me that fitting a spacer on it would be the quick and sure way of fixing the problem. It would have been too much to measure the alignment, taking out the parts, then putting it on a table and measure it and all. Frankly, i myself didnt really want to pay for all that, and putting a spacer on it did sounded like a pretty good idea. anyway, thats what i'm gonna settle with.

    I also asked him if this problem ever occured (im sure that im not the only one with this setup before), and he told me that these things just happens sometimes.

    thank you all for your comments though.

  19. #19
    Cornucopia of Awesomeness baxtefer's Avatar
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    you could check the alignment yourself, using sheldon's string method.
    http://www.sheldonbrown.com/frame-spacing.html
    about 3/4 down the page

  20. #20
    SuperstitiousHyperrealist jinx_removing's Avatar
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    Quote Originally Posted by dwguy
    alright, so i went to the lbs and right when the guy looked at it, he told me that i needed a spacer, so thats what i got. I did inquire whether it was a probmem with the alignment of the frame or not and he told me that fitting a spacer on it would be the quick and sure way of fixing the problem. It would have been too much to measure the alignment, taking out the parts, then putting it on a table and measure it and all. Frankly, i myself didnt really want to pay for all that, and putting a spacer on it did sounded like a pretty good idea. anyway, thats what i'm gonna settle with.

    I also asked him if this problem ever occured (im sure that im not the only one with this setup before), and he told me that these things just happens sometimes.

    thank you all for your comments though.
    That really sounds like a BS answer to me. I hope you didn't pay the guy for that crappy advice. I used to be in tech support and this is the kind of answer that really bad help desk people would give out. "these things just happen" is never a suitable answer. I suggest emailing your question to Sheldon Brown at Harris Cyclery. They carry these frames and he would be more than happy to give free advice with such an issue.
    The fact of the matter is that your current setup should work.

  21. #21
    Direct Hit Not Required BlastRadius's Avatar
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    Are the cranks new? If not, maybe the drive side crank is bent.

  22. #22
    hello roadfix's Avatar
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    I remember now...

    When I purchased my Steamroller off of Ebay a couple years back I did a quick 'eyeball' alignment check from all different angles, making sure everything was symetrical, and did notice my rear triangle a bit skewed to one side. I bent the area in question back into alignment. I can now see that this would cause one crankarm to be closer to one chainstay than the other.
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  23. #23
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    the cranks arent old. i dont think so. the frame and cranks i got from ebay. the frame was used, but for everyone's info, i did get into a car accident with it. the sugino75 cranks werent on the bike when that happened. im pretty sure the cranks werent used. the description on it was that it was new, but installed because it came on a khs i think.

  24. #24
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    where did the LBS guy want you to put a spacer? i don't understand how a spacer on a road/track crankset would help alignment issues. i know that sort of thing definitely works on a BMX bike, but yeah, that doesn't make any sense to me.

    you should've said that you got into an accident in the first place. if you got whacked, the frame is most likely not aligned, depending on where you got hit, how fast you were going, how fast the car was going, and which part of the bike took most of the force of the impact.

    take it to the shop, have them use the ***-2 to check it, and proceed from there. cold-setting the frame back to where it should be will probably run about $20. if they want more than that, or you don't want to pay it, you can check back here, or sheldon brown's site for instructions on how to do it yourself.

  25. #25
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    Quote Originally Posted by baxtefer
    you could check the alignment yourself, using sheldon's string method.
    http://www.sheldonbrown.com/frame-spacing.html
    about 3/4 down the page
    well, i've did the string method, and it doesn seem like there's much of a problem. if it's of, its only by like 1mm, but then again, there's a possible 1mm error that i could have made from not angling the ruler correctly. im just gonna go with placing the spacer in.
    to answer the guy's question (sorry, forgot your name), i believe you place the spacer between the cup and the frame. that seems to be the most logical place to fit it.

    thanks for all your info guys

    ps, if anyone else has this type of problem and want to ask me about it, email me at D_W_Guy@hotmail.com. also, those of you who have the same setup, 53cm steamroller (doesnt have to be 53cm) and sugino 75 track cranks, but dont have this problem, email me to and let me know. again, thanks all...

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