the drive pin on the 1/0 is a rolled sprung steel jobbie, it was always really tricky to get it in, just patience and a big set of pliers. The 22 2.0 pins are a solid one, which goes in a little easier.
If you are feeling really flush you van always get a set of the aluminum hexes, then you can get rid of the washer altogether, as the metal hex hasa flange which sits directly on the bearing.
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Tom
TLR 22-4 2.0, TLR 22 5.0 AC Elite,
Kindly Supported by Trackside Spares, TLR, Spektrum and Horizon Hobby
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