This is Vision's 2018 catalogue - made available in pdf form. Page 5 shows the stylishly grey, 11-speed, Vision Metron (VT801) derailleur.

2018 is the last year that Vision included the Metron derailleur in its catalogue. From 2019 it is notably absent.

• Publisher: Vision
• Country: Taiwan
• Date: October 2017
• Derailleur brands: Vision, FSA
• Derailleurs: Vision Metron (VT801 2nd style)