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  1. #1
    Senior Member echotraveler's Avatar
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    help with Moulton crank

    Hello friends,


    Got the 1965 Moulton 4 Speed, pretty good shape. Right now im de-rusting everything before assembly, that way i give it some love and a make sure my bike can last 40 years more.

    Started with steel wool, but rapidly learned this to be a wrong way to restore my baby. After searchs and much ponderation i bought some OXALIC ACID this stuff has yielded amazin result for many

    My Moulton crank has the most rust of all parts, so i need to take the star and pedal appart but i dont seem to understand how to dis-assemble it! tryed making searches withou good results.... i know theres a couple of you that have moultons like PDR whom has a fleet of them hahaha....HOW DO YOU HANDLE CRANKS on Moultons?

    i wanna ride my bike so badly!! but still think i ought to wait, it took 2 weeks to get here, but the usps says 2 to 6 weeks i can still wait 4 weeks to ride it


    Another thing i noticed is the tires on my Moulton say 45 psi, which means in my book this wheels wont perform according to 1965's standard

    wait till you see this bike! its a beauty....what color is this, i see gray, but im thinking it was white? i also would need new decals since orignal ones are 99% gone.


    all good post have pics..
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    Last edited by echotraveler; 09-02-09 at 08:54 AM. Reason: adding pics

  2. #2
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    Quote Originally Posted by echotraveler View Post
    ... what color is this, i see gray, but im thinking it was white? ...
    As I recall, the color for the 1964 Moulton 4-Speed (distributed in the U.S. by Montgomery Ward) was "oyster gray".

  3. #3
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    are you meaning how to take the cranks off the axle?
    loosen the nut at the side of the crank. then either gently tap the nut. it probably wont move though. I ussually get a large nut ant put it on the smooth end of the cotter pin. Then place the crank in a vice, so that the 2 nuts are squeezed together. should make a bang noise and go loose. Take off the nuts and push the cotter pin out of the crank.

    If your asking how to take the pedals off the crank. Oil the parts well. Use a penetrating oil. Maybe play a blow torch on the crank end. Its ussually a 15 mm spanner to get the pedals off. The flats on the pedal spindle might be too narrow for a regular spanner. So might need to get a proper pedal spanner from the bike shop. The pedal unscrews the opposite way from rotation. It might be really stuck in there. I sometimes clamp the pedal arm in a vice. Best if you wrap the arm in cloth to protect the chrome. Then get the spanner. Maybe slip a scaffold pole over the spanner for extra leverage. This gives a lot of force onto the spanner. Be carefull. It can jump off. And you'll fall. I have broken a couple of cheap spanners doing that.

    If your wanting to remove the chainring from the crank arm? They are swaged together. The crank arm has a sort of toothed section at the centre. The chainring fits onto that. Then its pressed together so the toothed section covers over the inside of the chainring. There not designed to be removable. Maybe could get them apart with a grinder or artistic use of a hammer and chissel. Might not go together again though

  4. #4
    Senior Member echotraveler's Avatar
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    thanx a lot grif ill have to sit down and figure this out.... i would like to remove the entire thing from the frame, that way i can figure out a way to de-rust the frame...

    firstly the pedals are off, i need to get the arms off, then the star (the one that carries chain), then i can think of the crank thing...not sure yet i want to do this, but at least de-rusting the star and arms would make me happy.

    ill have to take some pictures of this, cause im not very familiar with the english terminology, and pics are the best way to explane this. =-) i love pics on threads

  5. #5
    Senior Member echotraveler's Avatar
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    got a diagram....check it out...check it out guys....
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    Schwinnasaur Schwinnsta's Avatar
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    They were distributed by Huffy. I think the Oyster Grey was what they called the color but it appears more of an off white then Grey.

  7. #7
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    Quote Originally Posted by Schwinnsta View Post
    They were distributed by Huffy. ...
    Yes, that's correct. I should have said "available for purchase in the U.S. at Montgomery Ward".

  8. #8
    Senior Member stevegor's Avatar
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    I get my frames and components sand blasted before powder coating....saves hours of tedious labor
    I'm lame,
    I'm sore,
    I'm stonkered.

  9. #9
    Senior Member echotraveler's Avatar
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    Im doing an Oxalic bath...hopefully it'll work.

    thanx for the replys guys...i did it! with use of WD-40 and a hammer...worked like a charm

  10. #10
    Schwinnasaur Schwinnsta's Avatar
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    Take care removing the cotter pins that you support the crank with a pipe so forces from the hammer do not go to the crank and bottom bracket. A special tool is available http://bikesmithdesign.com/CotterPress/index.html . I stripped down my Schwinn Wasp about three years ago and dipped it oxalic acid. I used a small cheap Wal-Mart swimming pool and Wood Bleach from Sherwin Williams which is 100% oxalic acid. It worked well.
    I never intended to paint as it was just nice enough, a value judgment, but your bike finish is only original once.

    My 64 Moulton that I recently got off eBay was nearly rust free. It rides nice. It took some adjustment to get all four speeds and get rid or brake chatter from the front brake.

  11. #11
    Senior Member echotraveler's Avatar
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    was really carefull nothing broke thank God! its cleaning real good under the OA

  12. #12
    smallwheelsonly
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    i wish moulton or someone in England would reproduce the classic models
    i'd get one

    seems to be there is demand for this wonderful product

    anyone else ?

  13. #13
    PDR
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    Quote Originally Posted by EM42 View Post
    i wish moulton or someone in England would reproduce the classic models
    i'd get one

    seems to be there is demand for this wonderful product

    anyone else ?
    They have, it is called the Bridgestone Moulton

    I bought this bike last month. (a custom sport version).. had larger chainrings fitted before taking delivery and I have since fitted MKS cube clipless pedals and a Brooks Swift saddle. I used some red leather shoe dye on the handlebar cork tape (which looked more like pink to me) so it is now a much stronger red colour than in the above photo. Iím really very pleased with this rare bike

  14. #14
    Senior Member echotraveler's Avatar
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    Quote Originally Posted by PDR View Post
    They have, it is called the Bridgestone Moulton

    I bought this bike last month. (a custom sport version).. had larger chainrings fitted before taking delivery and I have since fitted MKS cube clipless pedals and a Brooks Swift saddle. I used some red leather shoe dye on the handlebar cork tape (which looked more like pink to me) so it is now a much stronger red colour than in the above photo. Iím really very pleased with this rare bike
    hey dude! when are you making a vid for youtube?! thats dreamy...

    just rode my old moulton 2 days ago...and love the thing!!!! im ordering some new tubes and tires, the ones i got right now say max pressure is 45 psi....i would like at leas 100..less rolling resistance

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