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  1. #1
    Join Date
    Sep 2011
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    a few questions about my Raleigh Grand Prix.


    I found a Raleigh Grand Prix sitting in the backyard of my Dad's house a few years back and decided to see what I could do with it.

    I fixed it up a little and have been riding it (and loving it) ever since.

    But now it's really, *really* beaten up and needs help. The cranks and corresponding crappy cotter pins are screwed up and the bottom bracket most definitely needs replacing.

    I have been unsuccessful in finding the serial # (i've looked everywhere). It's possible it was sanded off when someone put a new finish on it. Either way, it's not visible so I don't know what year it is.

    I do, however, have a pic..I doubt it will help but.....maybe?

    My primary question is about replacing the bottom bracket, what kind, what size, etc. I'm unsure if this can be found out without knowing the year of the bike. I can take more pics if it'll help identifying.

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  2. #2
    Senior Member gbalke's Avatar
    Join Date
    Jul 2008
    West of St. Louis
    My Bikes
    (3) 1970's Raleigh Sports, (1) 1968 Robin Hood 3 speed, 1974 Raleigh Grand Prix, 1976 Raleigh Grand Prix, 1969 Peugeot UO-18, 1971 Peugeot UO-08, 1980 Giant road bike, 1954 Humber, 1940ish Hercules Popular, 1963 Dunelt, 2007 Trek 3700 mountain bike
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    Have you checked the back of the seat tube for the serial number? My '74 has it's SN there.

    You can find out more at this web site:
    1968 Robin Hood 3 speed...1970's Raleigh Sports Pathracer
    1972 Raleigh Sports............1973 Raleigh Sports
    1974 Raleigh Grand Prix......1974 Raleigh Grand Prix (made in Holland)
    1969 Peugeot UO-18...........1971 Peugeot UO-8
    1980's Giant Project.............2007 Trek 3700 mountain bike
    1971 German 3 speed.........1977 Motobecane Super Mirage Mixte
    1970 Raleigh Twenty...........1972 Raleigh Sports (donor bike)
    1954 Humber Sports (my newest project)

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