I’m looking to know the piece I’m looking for related to my speedometer on my Transalp 600.

The speedometer stopped working a while back and I got a new speedo cable but the mechanic at the time replaced it and said it was something else was wrong that needed a part. My recollection is that it was something in/close to the calipers but it cost over a hundred euro from Honda, so if that description is enough to pinpoint the part, I want to see if I can get a copy of the part somewhere