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  1. #76
    cpg
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    Perhaps that should be my next project. Some would argue that its the best use for a Bickerton. I will reserve judgement for the time when my bickerton is fixed and I get to ride it.
    Mezzo I4 (converted to dual drive), Whyte PRST-1, Trek 1200, Dahon Jack, Bickerton (work in progress)

  2. #77
    coprolite fietsbob's Avatar
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    aha.. so dahon wheel it is..
    74mm

  3. #78
    cpg
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    I got a Dahon wheel for my Bickerton and it fits fine.
    Mezzo I4 (converted to dual drive), Whyte PRST-1, Trek 1200, Dahon Jack, Bickerton (work in progress)

  4. #79
    cpg
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    My Bickerton came with a bent hinge and I didn't like the design too much so I decided to make a new one from scratch which should be stronger and improve the rigidity of the frame. Here are some photos.

    IMG_20140415_181817.jpg IMG_20140415_181832.jpg IMG_20140421_160014.jpg IMG_20140421_160032.jpg IMG_20140421_160158.jpg


    A few side by side views with a Mezzo:

    IMG_20140421_172337.jpg IMG_20140421_172355.jpg IMG_20140421_172416.jpg
    Mezzo I4 (converted to dual drive), Whyte PRST-1, Trek 1200, Dahon Jack, Bickerton (work in progress)

  5. #80
    Senior Member smallwheeler's Avatar
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    Quote Originally Posted by cpg View Post
    My Bickerton came with a bent hinge and I didn't like the design too much so I decided to make a new one from scratch which should be stronger and improve the rigidity of the frame. Here are some photos.
    wow.

    11/10

    that's excellent and wonderfully over-built. a million years from now highly evolved cats who have developed opposable thumbs will find these exquisite relics and muse over their possible application.

    the only problem i can see with this lovely upgrade is that now the rest of the bike is below spec.

    up next: machining new chainstays out of solid billet.



  6. #81
    Senior Member smallwheeler's Avatar
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    also, it would be cool to cap that hex bolt with a twiddly knob: a faucet knob, i mean..


  7. #82
    cpg
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    Quote Originally Posted by smallwheeler View Post
    also, it would be cool to cap that hex bolt with a twiddly knob: a faucet knob, i mean..

    That is the next thing on the list as the bolt is temporary, I don't want to carry a spanner around with me to fold the bike and that bolt is too long. I have a couple of ideas including seeing what is available at the plumbers merchants.
    Dont be too hard on these bikes. I had my first go on the bike today, just up and down the road but I was pleasntly surprised by how good it was, not nearly as much flex as I was expecting and its quick. Currently weighs 9.5 kg and folds into a neat compact package. Not the same quality as a modern folder but this is still a very usable bike.
    Mezzo I4 (converted to dual drive), Whyte PRST-1, Trek 1200, Dahon Jack, Bickerton (work in progress)

  8. #83
    Senior Member smallwheeler's Avatar
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    Quote Originally Posted by cpg View Post
    That is the next thing on the list as the bolt is temporary, I don't want to carry a spanner around with me to fold the bike and that bolt is too long. I have a couple of ideas including seeing what is available at the plumbers merchants.
    Dont be too hard on these bikes. I had my first go on the bike today, just up and down the road but I was pleasntly surprised by how good it was, not nearly as much flex as I was expecting and its quick. Currently weighs 9.5 kg and folds into a neat compact package. Not the same quality as a modern folder but this is still a very usable bike.
    i'm currently in your garage.. taking liberties... :O


  9. #84
    Senior Member smallwheeler's Avatar
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    Quote Originally Posted by cpg View Post
    Dont be too hard on these bikes. I had my first go on the bike today, just up and down the road but I was pleasntly surprised by how good it was, not nearly as much flex as I was expecting and its quick. Currently weighs 9.5 kg and folds into a neat compact package. Not the same quality as a modern folder but this is still a very usable bike.
    no. no. i used to own a bickerton. i loved it. and i love what you did here. i would suggest you start a new thread on your upgrades. it will be easier to find and some other people might come out of the woodwork with their own upgrades.

  10. #85
    cpg
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    You have a good point about stating a new thread but this thread already contains good upgrading information, in fact it was Mr Shumaker's good work with his upgrades that inspired me to restore the bike.
    I can make a clamp knob like that (I assume that is the Brompton one) and I have a brass door knob that is very similar that I am thinking about adapting but brass is heavy. I am also looking at hand turn knobs from small domestic water valves, they are cheap, easily available and light weight. Something like this:

    Valve handle.jpg
    Attached Images Attached Images
    Mezzo I4 (converted to dual drive), Whyte PRST-1, Trek 1200, Dahon Jack, Bickerton (work in progress)

  11. #86
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    Sterling work with the hinge cpg, looks bombproof.

  12. #87
    cpg
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    Thanks for that Elivis Schumacker, I hope its lasts a little longer than the original hinge and clamp. What do you think about your Bickerton after a year of riding it?

    I bought a bag hook and frame hook from Derek at Pool Bay Folders (bickertonbicyclespareparts.co.uk). He is a helpful person and the parts arrived quickly.
    Mezzo I4 (converted to dual drive), Whyte PRST-1, Trek 1200, Dahon Jack, Bickerton (work in progress)

  13. #88
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    Well it's good to see some real upgrades to the construction as opposed to my modding and tinkering! I wonder what the future holds for these wonderful bikes.

    I still love mine, very zippy machine but still strictly a fine weather bike without mudguards.

    Here it is at the weekend on the way to pick up some ice cream:




    I wouldn't mind a completely original one in good condition either - they have a bit more charm.

  14. #89
    cpg
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    Quote Originally Posted by Elvis Shumaker View Post
    I still love mine, very zippy machine but still strictly a fine weather bike without mudguards.
    Have you removed the mud guards because of cleance issues with the Dahon 305 wheel? How much space is there between the tyre and the fork crown? I have a Dahon wheel waiting to fit to my bickerton but have not bought a tyre yet.
    Mezzo I4 (converted to dual drive), Whyte PRST-1, Trek 1200, Dahon Jack, Bickerton (work in progress)

  15. #90
    Senior Member bhkyte's Avatar
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    Cpq I have a mezzo rear wheel .4 speed if interested.
    Dual drive Mezzo (GOLD), Dual Drive Mezzo with bullbars (black), White Brompton thingy with Dahon Androes stem and bull bars. Birdie (old sytle) 7 speed. Downtube NS8.

  16. #91
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    Quote Originally Posted by cpg View Post
    Have you removed the mud guards because of cleance issues with the Dahon 305 wheel? How much space is there between the tyre and the fork crown? I have a Dahon wheel waiting to fit to my bickerton but have not bought a tyre yet.
    15mm with Marathon Racer 305 x 40.

  17. #92
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    ^
    A narrower tyre on the front than a 1 1/2" would help a lot, but the Racer was the narrowest I could readily obtain. I did hold the mudguard in place after fitting the wheel and, though pretty close, it should be doable.

    I have far less clearance with the rear wheel, caused by fitting a new brake and having to move the wheel closer to the frame. If I did ever fit mudguards I would prefer narrower ones than the originals - now if there's a chance of rain I just use my other bike!

  18. #93
    Senior Member smallwheeler's Avatar
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    check out the steering mast on this one:



    and this wacky shizzle:




  19. #94
    cpg
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    Quote Originally Posted by Elvis Shumaker View Post
    ^
    A narrower tyre on the front than a 1 1/2" would help a lot, but the Racer was the narrowest I could readily obtain. I did hold the mudguard in place after fitting the wheel and, though pretty close, it should be doable.
    Thanks for that Elvis. The only readily available tyres in the Uk are the Marathon Racer 305 x 40 and Road Cruser 305 x 47. Looks like 47 is going to be a bit tight, shame because its much cheaper than the 40.
    Mezzo I4 (converted to dual drive), Whyte PRST-1, Trek 1200, Dahon Jack, Bickerton (work in progress)

  20. #95
    cpg
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    I have now replaced the bolt on the frame hinge clamp with something a little more suitable, salvaged from a domestic plumbing gate valve. All that remains to do is paint it a more suitable colour.

    IMG_4881.jpgIMG_4883.jpg

    The longest ride I have done on it so far is around 12 miles and the bike performed well.
    For anyone interested in Bickerton Bikes, there is group dedicated to them on facebook.
    Mezzo I4 (converted to dual drive), Whyte PRST-1, Trek 1200, Dahon Jack, Bickerton (work in progress)

  21. #96
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    I know it'll look much better when painted cpg, but I still think it looks a little out of place. I found the longer, more rectangular handle to be more aesthetically pleasing, possibly because it's more in keeping with the rectangular shape of the Bickerton's nether regions. Maybe the foreigners will disagree as it probably won't scream 'airing cupboard gate valve' at them

  22. #97
    cpg
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    My plumber friend gave me a nice cast iron handle from a much larger valve. That really did look the part, a bit Victorian rather than 70's square alloy but sadly it was too big and fouled on the crank. I am sticking with the gate valve handle, it works well and most importantly, is very low weight and compact.
    Mezzo I4 (converted to dual drive), Whyte PRST-1, Trek 1200, Dahon Jack, Bickerton (work in progress)

  23. #98
    Senior Member smallwheeler's Avatar
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    Quote Originally Posted by cpg View Post
    My plumber friend gave me a nice cast iron handle from a much larger valve. That really did look the part, a bit Victorian rather than 70's square alloy but sadly it was too big and fouled on the crank. I am sticking with the gate valve handle, it works well and most importantly, is very low weight and compact.
    i think it looks great. well done. i get robinhood's point, though. maybe strip the paint or repaint it silver or black. that would further remove it from it's original, humble garden faucet context.

  24. #99
    cpg
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    Thanks for the positive comments Smallwheeler, its appreciated. I think silver might be the best way to make it blend in.
    Mezzo I4 (converted to dual drive), Whyte PRST-1, Trek 1200, Dahon Jack, Bickerton (work in progress)

  25. #100
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    Quote Originally Posted by smallwheeler View Post
    it's original, humble garden faucet context.
    If you mean 'garden hose tap', then those are nearly always brass taps with a spindle handle in the UK. It's probably because our garden water supply is usually at mains pressure whereas I think gate valves are only used for low pressure.

    Quote Originally Posted by cpg View Post
    I think silver might be the best way to make it blend in.
    Or you could even get it chromed!

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