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  • Modern frames like the Bianchi Pista will have threadless forks/headset. no good for either a quill stem or that particular Campag Record headet

    Also, with square-taper cranks there are 2 taper pitches, Japanese or European. All Suginos are Japanese except the '75', which is euro.

    Then there are modern cranks which aren't square taper at all.

    And then there thread pitches on Frames. Italian and British are different, so you need to know what your frame is before you buy one.

    Take a look on Sheldon's site to get more info.

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