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  1. #1
    mtbr member
    Join Date
    Apr 2004

    Stamping serial numbers

    I still find it challenging to stamp serial numbers in the bottom bracket. It's not so easy to get everything correctly orientated, I need a very accurate and powerful strike with the hammer, if the first strike is not right it is not so easy to avoid a double number, problems with the BB going out of round, etc. Is it just me? Any suggestions? Seems like a jig would be a nice idea?

  2. #2
    mtbr member
    Reputation: adarn's Avatar
    Join Date
    Aug 2009
    When I did them on the shell I put a piece of round stock in there to keep from smooshing the tube. Now I just do it in the fillet because brass is soft and I think it's cool.

    -Adam Sklar
    My blog

  3. #3
    mtbr member
    Reputation: davesauvageau's Avatar
    Join Date
    Jan 2010
    Joel's serial numbers on Clockwork bikes are beautiful! Check out his solution to serial numbering.
    Attached Thumbnails Attached Thumbnails Stamping serial numbers-8lg.jpg  

    My motorcycle runs on infant blood

  4. #4
    mtbr member
    Join Date
    Apr 2004
    Thanks guys those are both great ideas!

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