Originally Posted by
unworthy1
"Thun" style flanges that require a special tool and the "better" tools have a feature that makes them *less* likely to slip and bash your knuckles, but even then not any guarantee.
I got a few of those as well, also cheap (for Campag) and I have that tool.
The tool does not slip if you bolt a suitable spacer to the end of the axle to hold it on - extra BB cup and some washers...