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  1. #1
    Color Blind
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    Is there a website that is a database of BB sizes for Fuji?

    Ive got an old fuji del rey that i need to replace the BB on, with out taking the BB out is there any way i can tell what size it is, other than measuring? Can i search the serial number in something?

  2. #2
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    Not sure but I'm guessing no. There is Sheldon Brown's table of Japanese BB sizes. It looks like they are all different sizes so you might be able to correctly deduce which one you have from an external measurement of the "overall length". Keep in mind that the "overall length" refers to where the square taper spindle terminates and not necessarily the true overall length. In my case I had a 3T spindle which is 123mm in overall length but as it is the type that has male threads secured by nuts the actual tip to tip length was something like 130mm. I'd probably just remove it to be 100% certain.

    Also, I'm curious...how do you know it needs replaced rather than just new bearings/repack if you haven't removed it?

  3. #3
    Unique Vintage Steel cuda2k's Avatar
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    BB spindle length is a function of the crank design more than the bicycle model / brand. The Fuji will more than certainly have an English threaded bottom bracket. Can you tell us what model crank is on the bike now? That will give us the best help to figuring out what size you need.
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  4. #4
    Color Blind
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    its a fixed gear right now, but it has the stock chainring and cranks, which came stock in the 70's. i asked this in the fixed gear forum but not many people knew much about a bike this old.

    i want to put a new single chain ring on in place of the double that is on it now. i really dont know much at all about the BB area of the bike. im concerned about a new chainring lining up right with my rear cog.
    DEATH PEDALz

  5. #5
    Unique Vintage Steel cuda2k's Avatar
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    SheldonBrown.com has some good information about chainlines and such. If you can tell us what model crank it is we may be able to help more.
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  6. #6
    Color Blind
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    my crank arms are labeled as "FUJI" down the sides. the back side of the cranks say A-4 FORGED JAPAN

    From where the crank arm on the non drive side meets the bottom bracket, on the BB is printed " 132 x 24T "

    [img=http://img216.imageshack.us/img216/6114/dsc02444af4.th.jpg]

    does that help anyone?
    DEATH PEDALz

  7. #7
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    The current crankset appears to be a Sugino Super Maxy.

  8. #8
    Unique Vintage Steel cuda2k's Avatar
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    If it is the Sugino Super Maxy re-branded as a Fuji, I can't help with the BB length for the road version of this crankset, however the Track Version is supposed to take a 109mm BB, JIS taper (shimano). I think VeloBase.com has a Sugino catalog scan uploaded which I haven't gone through and added to the database, I will check that when I get to work and see if I can find any additional information on the Super Maxy. However there are lots of subtle differences in BB's beyond just the length. Such as most new BB's that you can find will have symmetrical lengths on each side, where as spindles from the 80's and before could very often be asymmetrical.
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  9. #9
    Color Blind
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    'thanks, it seems SOMETIMES when the right crank arm is at the peak it makes a weird click noise, but it is only when there is no pressure on the pedal.
    DEATH PEDALz

  10. #10
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    Are you using the original wheels or a new track wheel? If the former you might want to measure the existing chainline in the rear -- might help in case you do find out any info on the super maxy. Also, if using the original wheel, chances are you're going to have to re-space the axle and redish the wheel anyway, so you're probably safe just getting any short bb -- truvativ and shimano go as short at 107mm I think. That way you'll have to re-space and re-dish less. How to measure chainline:

    http://www.sheldonbrown.com/chainline.html



    Getting a track wheel and matching bb / crank would make your life easier too: the sugino 103mm bb and the sugino rd single speed crankset are a good value and will give you a 42mm chainline to match the track hub. I actually used that bb and crank combo on my '83 del rey with a single speed freewheel on the original hub, and I think the chainline was pretty good without respacing. I ultimately replaced the wheels with a formula/mavic wheelset to get it perfect. Here's the end result:




  11. #11
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    Quote Originally Posted by the_ill_postino View Post

    Getting a track wheel and matching bb / crank would make your life easier too: the sugino 103mm bb and the sugino rd single speed crankset are a good value and will give you a 42mm chainline to match the track hub. I actually used that bb and crank combo on my '83 del rey with a single speed freewheel on the original hub, and I think the chainline was pretty good without respacing. I ultimately replaced the wheels with a formula/mavic wheelset to get it perfect. Here's the end result:



    WHOAAA
    thats my bike, expect black. Maybe it is an '80 something then. So you just used the 103 BB and RD crankset? i was looking at those online to put on my bike if i figured out my problem.
    DEATH PEDALz

  12. #12
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    See T-Mar's running thread on "Fuji Serial Number Database" for dating your Del Rey -- short version: check the serial on the bottom of the bb shell and if yours was made in the 80s then the first number after the two first letters will determine the year in the 80s (mine was 3, hence 1983).

    And yeah, I'd say either replace everything: wheels, bb, crank, (and maybe chain and cog if they're worn) or just get a 107mm bb (or flip the existing spindle and clean and regrease while you're in there) and stick the old crank on there, and then respace the existing wheels to match the chainline. If replacing everything you can't get a much better deal than the suginos. Bulletproof/dimension bmx cranks are cheaper if you have a chainring to reuse, but they're uglier.

  13. #13
    Color Blind
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    i went to the bike project here today and looked at it good, just as i was about to start taking apart my drive train, i saw that my spacer bolts holding the smaller chainring to the larger one where coming loose. luckily they didnt come out while i was riding, but im back to being a silent bike.
    DEATH PEDALz

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