what size is my BB??

lcowner
lcowner Posts: 341
edited May 2013 in Road buying advice
hello can somone tell me how do i measure my BB (campag mirage chainset)?do i measure the widest part inclucding the square taper from end to end ??(if so i get 111.3 mm with a vernier)???any help appreciated
DSC00470_zps0d34ee18.jpg

Comments

  • thegibdog
    thegibdog Posts: 2,106
    The width should be stamped on one of the sides.
    https://gibworth.mypixieset.com
  • Monty Dog
    Monty Dog Posts: 20,614
    Two key dimensions - axle width is 111mm as you've measured. Also need to know bottom bracket thread size which is usually marked on the cups i.e. 68mm wide 1.37" x 24tpi for BS or 70mm wide, 36mm x 24tpi for Italian
    Make mine an Italian, with Campagnolo on the side..
  • keef66
    keef66 Posts: 13,123
    Ooh that's looking a tad rusty! Was there actual water in the BB shell when you removed it?
  • lcowner
    lcowner Posts: 341
    no mate no visible water but as u say it looks like it,i have ordered a new one anyway,id say the BB was in the frame from new.....

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