Advertise on Bikeforums.net



User Tag List

Results 1 to 5 of 5
  1. #1
    Newbie
    Join Date
    Aug 2012
    Posts
    3
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    Need 1972 Raleigh Grand Prix Help

    I have what I believe is a 1972 Raleigh Grand Prix. This morning I was riding and basically blew up the large front sprocket. It is now bent and I need to remove it. My biggest question is what is the safest/most correct way to take of the cranks so I can remove/replace the sprocket?

  2. #2
    Newbie
    Join Date
    Aug 2012
    Posts
    3
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

  3. #3
    Still learning oddjob2's Avatar
    Join Date
    May 2012
    Location
    North of Canada, Adirondacks, NNJ
    My Bikes
    Too many
    Posts
    5,035
    Mentioned
    24 Post(s)
    Tagged
    1 Thread(s)
    Should be moved to Bike Maintenance Thread.

    If it is a Stronglight or TA (not likely) crank, you need a $50 adapter to pull the cranks. Other JIS cranks a standard Park or Pedro's crank pullers will work. In lieu of that, go to Harbor Freight. Or try a LBS that handles vintage bikes.

    It's a good opportunity to clean and lube your BB.
    Life is like riding a bicycle. To keep your balance you must keep moving. Albert Einstein
    2014 Additions: 1985 Trek 560, 1992 Trek Multitrack 700 (my 2nd), 1994 Trek Carbon 2200, Peugeot PX-10, 1981 Schwinn Voyager, 1989 Bridgestone RB-1

  4. #4
    feros ferio John E's Avatar
    Join Date
    Jul 2000
    Location
    www.ci.encinitas.ca.us
    My Bikes
    1959 Capo; 1980 Peugeot PKN-10; 1981 Bianchi; 1988 Schwinn KOM-10;
    Posts
    14,824
    Mentioned
    6 Post(s)
    Tagged
    0 Thread(s)
    I cannot tell from your photo whether the large sprocket is integral with the spider, but I suspect from your question that it is. If a standard cotterless crank puller threads smoothly and securely into your crank, you do not need a weird-size French adaptor. If the puller feels wiggly when threaded into the crank, STOP before you damage the crank.
    "Early to bed, early to rise. Work like hell, and advertise." -- George Stahlman
    Capo [dschaw'-poe]: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger, S/N 42624
    Peugeot: 1970 UO-8, S/N 0010468
    Bianchi: 1981 Campione d'Italia, S/N 1.M9914
    Schwinn: 1988 Project KOM-10, S/N F804069

  5. #5
    Newbie
    Join Date
    Aug 2012
    Posts
    3
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Got it. Thanks guys.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •