Fitted Renthal 971 bend bars, got standard Yammy hand guards ( which are just re-labelled acerbis ones ) and the standard bar end weights go in no problem. The hand guards come with a special washer to make it all work.
Hope that helps. Renthals are British made and spot on. nearly a perfect match for the original XTX bars shape, but not made from silver foil.

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only dead fish go with the flow..................