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amateur repair questions+frame number on old bike(fongers)

  • 01-08-2009 10:17pm
    #1
    Closed Accounts Posts: 213
    ✭✭


    Hi I'm fixing up a an old road/tourer bike I picked up of a mate who was going abroad. Have a few questions
    Its a FONGERS INTERCYCLE, I'm guessing its from the 70's/80's ,its frame seems to be joined using lugs at every joint, from what I can gather from the net is that they were an old Dutch company that were bought by INTERCYCLE and then by Batavus.Problem is I can't find a frame number on it and before I strip the paint of bottom area where it normally is, is there some where else it could be?(any other info about the brand would also be appreciated)

    Other questions are, its got a biopace chainset on it that says narrow chain only: whats the width of a narrow chain because not sure if the right chain is fitted (probably going to have replace it anyway, presume chainreactioncycles would be best place to get one) any recommendations on a budget (its a six speed cassete)?

    Other question is that its fitted with SHIMANO EXAGE 500 EX dual pivot calipers, these work fine at the back but at the front the block rubs against the tire on one side, this seems to be because its longer on one side than the other, it can be seen is this image, is their a solution to this problem or would I be better of taking an old side pull from an old bike and using that instead?
    93be_1.JPG

    last question is, if there is any point in replacing current brake levers with "Aero" levers (not really sure what difference is but according to sheldonbrown replacing levers is generally worthwhile)

    Thanks very much.


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Comments

  • Registered Users, Registered Users 2 Posts: 2,481 Morgan
    ✭✭✭


    RDM_83 wrote: »
    Other questions are, its got a biopace chainset on it that says narrow chain only: whats the width of a narrow chain because not sure if the right chain is fitted (probably going to have replace it anyway, presume chainreactioncycles would be best place to get one) any recommendations on a budget (its a six speed cassete)?
    Narrow chains are 3/32". There are plenty of 6-speed chains on CRC. Check the descriptions. Here's one: http://www.chainreactioncycles.com/Models.aspx?ModelID=5151
    RDM_83 wrote: »
    Other question is that its fitted with SHIMANO EXAGE 500 EX dual pivot calipers, these work fine at the back but at the front the block rubs against the tire on one side, this seems to be because its longer on one side than the other, it can be seen is this image, is their a solution to this problem or would I be better of taking an old side pull from an old bike and using that instead?
    They'll only need adjusting - the brake blocks move up and down in the brake arms.
    RDM_83 wrote: »
    last question is, if there is any point in replacing current brake levers with "Aero" levers (not really sure what difference is but according to sheldonbrown replacing levers is generally worthwhile)
    With standard levers the brake cables comes out the top and loops down to the brakes. With aero levers the cable is routed out the back and under the bar-tape. They're more comfortable to use (you can rest your hands on the hoods) and look neater.


  • Closed Accounts Posts: 213 RDM_83
    ✭✭


    Thanks for that help, tenner seems a good price for a decent chain (I snapped two from the Square Wheel repair shop on my old bike, so buying myself)

    Morgan wrote: »
    They'll only need adjusting - the brake blocks move up and down in the brake arms.

    That is what the problem is I can move the block to the correct point on the longer side, however on the short side even with maximum extension it rubs against the tire, I don't really understand why the caliper is designed like unless I'm positioning it wrong.


  • Registered Users, Registered Users 2 Posts: 1,059 victorcarrera
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    RDM_83 wrote: »

    That is what the problem is I can move the block to the correct point on the longer side, however on the short side even with maximum extension it rubs against the tire, I don't really understand why the caliper is designed like unless I'm positioning it wrong.

    1. It is possible that the reach (distance between brake caliper pivot and wheel rim brake surface is different front/rear. So swap themover and see if they fit better.
    2. Try this before you tighten the caliper pivot bolt completely.
    There is an allen key adjuster(usually 3.5 to 5mm) on the top right of each caliper arm(as per your photo) that permits a little adjustment to centre the brakes. It is a tricky adjustment, as I found I had to simultaenously compensate by adjusting the cable free play and rotating the caliper on the pivot bolt, but the end result is that it also raises one side as it lowers the other.
    3. I can't see for certain on photo but those brake blocks look like the non adjustable type and are the ones on the right upside down?.
    4. You can also purchase adjustable brake blocks that allows greater flexibility to achieve correct angle.
    5. Look for frame number on the side of head tube or inside of rear wheel dropouts.


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