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Thread: ST2 and ST4 swing arms

  1. #1
    Donk is offline Where's the kick start?
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    Ducati models

    Default ST2 and ST4 swing arms

    hi folks

    Please could anybody advise me which ST model has the aluminium swing arm?
    I assume that it would be a straight swap, between the ST models? as the monster s2r SSSA are a bit scarce and pricey


  2. #2
    Join Date
    Forfar, Angus
    Ducati models
    Supersport 939, 907ie
    Other bikes
    Pantah 500SL, Scrambler Classic
    The ST4s and (I think) the ST3s have aluminium swinging arms. It's not quite a straight swap though.
    The spindle is a larger diameter and the internal dimension of the swinging arm is smaller due to the alloy being thicker than the steel. So, as well as the swinging arm you'll need to change the wheel, spindle, the wheel bearings, the sprocket carrier bearings, the conical wheel spacer, the sliding adjuster shoes, swinging arm end plates and the adjuster plates.

    Old enough to know better, young enough not to care

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