Original Vespa Lock Ring - Sprint / GTS / Elettrica / 946 - ⌀ 21 x 12 x 3mm - 266845

In order to properly tighten the bolt that attaches the swingarm / subframe to the engine, this plate must be used.

Thick and strong enough to properly tighten the bolt without digging into the swingarm material.

Original parts…they've thought about that!