I'm confused, I just bought the disc lock due to some recommendations on here and my Vespa dealer, but the lock doesn't seem to fit. There is not enough room between the rim and the disc to slip the bottom part of the lock through to attach it. It also says on the xena website that this model should fit the ET4. But then on this thread
https://modernvespa.com/forum/topic29018 the first post says it won't fit an ET4...