bingo. thanks.Had the rear off my '00 M900S ie today (Jap import to Aus)
Rear bearings are L&R 17x47x14 6303 Ducati pn 75163.3268
Cush drive bearings are 25x47x12 6005 Ducati pn 75162.2566
most likely changed that year and went to wider bearings.Must have changed bearings from 99 to 00. Maybe a diff wheel.
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indeed, 'wide' spokes, not the 'narrow' design.just goes to show you cant be too careful, as an aside and it may be useful indicator, does yours have the 3 spoke wheels with the wider spoke blade at the rim or the later "narrow(er)" 3 spokes where the spoke blade tapers (a little) to the rim? I have a suspicion the narrow spoke wheels are the later bearing sizes .