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About billy10

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    TT Newbie

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    United Kingdom
  1. billy10

    upside down forks

    Regarding USD forks,YZ forks are for moter cross ,and longer,just fitting the forks without shortening the springs and spacing the damper rod will change your frame rake angle,ie ride like a chopper.you will also have to consider how and where you will ride your bike.I have just converted a Xr400 CHASSIS using KTM sx250 USD forks,and had to reduce the fork length by 60mm plus re-valving.